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Weather Alerts

Air Quality Alert issued August 5 at 4:28AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon Today, August 5. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact surface air quality in Wisconsin. Though significant improvements have been observed over neighboring states, a mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast as smoke persists over Wisconsin and continues to recirculate. The heaviest smoke is expected across northeastern Wisconsin, while lighter impacts are more likely for southwestern counties. A few locations may observe Moderate (Yellow) AQI, especially to the southwest as a cleaner pocket of air moves into the state. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-05T04:28:00-05:00 2025-08-05T04:28:00-05:00 2025-08-05T04:28:00-05:00 2025-08-05T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 050928 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 4 at 10:35AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon Tuesday, August 5. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact surface air quality in Wisconsin. Though significant improvements have been observed over neighboring states yesterday into this morning, a mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast again today as smoke persists over Wisconsin and continues to recirculate. The heaviest smoke is expected across northeastern Wisconsin today, while lighter impacts are more likely for southwestern counties. A few locations may observe Moderate (Yellow) AQI, especially to the southwest as a cleaner pocket of air is anticipated to move into the state from the south. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-04T10:35:00-05:00 2025-08-04T10:35:00-05:00 2025-08-04T10:35:00-05:00 2025-08-05T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 041535 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 4 at 4:24AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon today, August 4. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact Wisconsin surface air quality. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast this morning as smoke persists over the region and continues to recirculate around a slowly moving surface high pressure system. The heaviest smoke is expected across eastern Wisconsin, while lighter impacts are more likely for western counties. A few locations may observe Moderate (Yellow) AQI, especially to the west. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-04T04:24:00-05:00 2025-08-04T04:24:00-05:00 2025-08-04T04:24:00-05:00 2025-08-04T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 040924 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 3 at 10:26AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon Monday, August 4. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact Wisconsin surface air quality. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast again today as smoke persists over the region and continues to recirculate around a slowly moving surface high pressure system. The heaviest smoke is expected across eastern Wisconsin today, while lighter impacts are more likely for western counties. A few locations may observe Moderate (Yellow) AQI, especially to the west. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-03T10:26:00-05:00 2025-08-03T10:26:00-05:00 2025-08-03T10:26:00-05:00 2025-08-04T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 031526 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 3 at 4:41AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon today, August 3. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality this weekend. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast this morning as smoke recirculates around a slowly-moving surface high pressure system. A few locations may end up in the upper range of Moderate AQI. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-03T04:41:00-05:00 2025-08-03T04:41:00-05:00 2025-08-03T04:41:00-05:00 2025-08-03T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 030941 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 2 at 8:10PM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon Sunday, August 3. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality this weekend. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast again tonight as smoke recirculates around a slowly-moving surface high pressure system. A few locations may end up in the upper range of Moderate AQI. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-02T20:10:00-05:00 2025-08-02T20:10:00-05:00 2025-08-02T20:10:00-05:00 2025-08-03T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 030110 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 2 at 10:46AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. * WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. * WHERE...All of Wisconsin. * WHEN...Until noon Sunday, August 3. * ADDITIONAL DETAILS...Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality this weekend. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is forecast again today as smoke recirculates around a slowly-moving surface high pressure system. Heavier smoke is expected across northern and eastern Wisconsin today, while lighter impacts are more likely for southern and western counties. A few locations may end up in the upper range of Moderate AQI. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. Air Quality Alert 2025-08-02T10:46:00-05:00 2025-08-02T10:46:00-05:00 2025-08-02T10:46:00-05:00 2025-08-03T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 021546 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 2 at 3:54AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Saturday, August 2 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the weekend. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is still expected tonight, with locations farther north more likely to see heavier smoke. Some improvement is currently anticipated over the weekend, but USG (Orange) AQI to Unhealthy (Red) AQI will remain possible. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-08-02T03:54:00-05:00 2025-08-02T03:54:00-05:00 2025-08-02T03:54:00-05:00 2025-08-02T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 020854 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 1 at 8:41PM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Saturday, August 2 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. A mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is still expected tonight, with locations farther north more likely to see heavier smoke. Continued gradual improvement is currently anticipated heading into the weekend, but USG (Orange) AQI to Unhealthy (Red) AQI will remain possible. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-08-01T20:41:00-05:00 2025-08-01T20:41:00-05:00 2025-08-01T20:41:00-05:00 2025-08-02T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 020141 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 1 at 10:15AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups to Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Saturday, August 2 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Conditions have improved since Thursday as a pocket of cleaner air has infiltrated the widespread blanket of dense smoke across eastern Wisconsin. However, a mix of Unhealthy for Sensitive Groups (USG; Orange) AQI and Unhealthy (Red) AQI is still expected today, with locations farther north more likely to see heavier smoke. Continued gradual improvement is currently anticipated heading into the weekend, but USG (Orange) AQI to Unhealthy (Red) AQI will remain possible. Conditions will continue to be reevaluated on a day-to-day basis, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-08-01T10:15:00-05:00 2025-08-01T10:15:00-05:00 2025-08-01T10:15:00-05:00 2025-08-02T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 011515 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued August 1 at 4:14AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions have improved some across northeast Wisconsin early this morning as surface visibilities have improved, but smoke is expected to filter back into the region today and tonight and linger into the weekend. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to-day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-08-01T04:14:00-05:00 2025-08-01T04:14:00-05:00 2025-08-01T04:14:00-05:00 2025-08-01T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 010914 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued July 31 at 8:23PM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to-day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-31T20:23:00-05:00 2025-07-31T20:23:00-05:00 2025-07-31T20:23:00-05:00 2025-08-01T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 010123 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued July 31 at 10:48AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy level. WHERE...All of Wisconsin WHEN...Until noon Friday, August 1 Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact Wisconsin`s surface air quality over the next several days. Widespread Unhealthy (Red) AQI for PM2.5 is expected across Wisconsin today, with NowCast AQI values in the Very Unhealthy (Purple) category possible. Conditions are expected to slowly improve beginning Friday. However, Unhealthy for Sensitive Groups (Orange) to Unhealthy (Red) AQI will remain possible through the weekend. Conditions will be reevaluated on a day-to-day basis through the weekend, including updates to the forecast and any associated Air Quality Advisories. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-31T10:48:00-05:00 2025-07-31T10:48:00-05:00 2025-07-31T10:48:00-05:00 2025-08-01T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 311548 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued July 30 at 3:37PM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups (USG) to Unhealthy level. WHERE...All of Wisconsin. WHEN...Until noon Thursday, July 31. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will continue to impact surface air quality across the region through at least Thursday morning, causing the PM2.5 Air Quality Index (AQI) to range from the Unhealthy for Sensitive Groups (USG; Orange) category to the Unhealthy (Red) category. It will be possible for NowCast AQI values to reach the Very Unhealthy (Purple) category. Smoke impacts continue to be observed across central and northeast Wisconsin, with poor air quality and minor reductions in visibility. Smoke is expected to linger across much of Wisconsin into at least Thursday morning. We may see brief improvement in air quality later Thursday before smoke moves back into northern areas on Friday. Stay tuned to the air quality forecast as conditions can change quickly during wildfire smoke events. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-30T15:37:00-05:00 2025-07-30T15:37:00-05:00 2025-07-30T15:37:00-05:00 2025-07-31T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 302037 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued July 30 at 3:39AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups (USG) to Unhealthy level. WHERE...All of Wisconsin. WHEN...Until noon Thursday, July 31. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke has moved into north-central and northeast Wisconsin early this morning, and will continue to impact Wisconsin's surface air quality through Thursday morning, causing the PM2.5 Air Quality Index (AQI) to range from the Unhealthy for Sensitive Groups (USG; Orange) category to the Unhealthy (Red) category. It will be possible for NowCast AQI values to reach the Very Unhealthy (Purple) category. Smoke impacts are already being observed in northern Wisconsin this morning with reduced visibilities, with the smoke expected to spread southward into southern Wisconsin today. Smoke is expected to linger across much of Wisconsin into Thursday morning. We may see brief improvements in air quality on Thursday before smoke moves back into northern areas on Friday. Stay tuned to the air quality forecast as conditions can change quickly during wildfire smoke events. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-30T03:39:00-05:00 2025-07-30T03:39:00-05:00 2025-07-30T03:39:00-05:00 2025-07-31T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 300839 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued July 29 at 8:54AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups (USG) to Unhealthy level. WHERE...All of Wisconsin. WHEN...Until noon Thursday, July 31. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will impact Wisconsin's surface air quality over the coming days, causing the PM2.5 Air Quality Index (AQI) to range from the Unhealthy for Sensitive Groups (USG; Orange) category to the Unhealthy (Red) category. It will be possible for NowCast AQI values to reach the Very Unhealthy (Purple) category. Smoke impacts are already being observed in northern Wisconsin this morning, and the smoke is expected to slowly travel south through northern Wisconsin today. Overnight tonight into Wednesday morning, the smoke will continue south, impacting most of the state by noon Wednesday. The smoke is then expected to linger over the state from noon Wednesday until noon Thursday. We may see brief improvements in air quality on Thursday before smoke moves back into northern areas on Friday. Stay tuned to the air quality forecast as conditions can change quickly during wildfire smoke events. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-29T08:54:00-05:00 2025-07-29T08:54:00-05:00 2025-07-29T08:54:00-05:00 2025-07-31T12:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 291354 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Air Quality Alert issued July 29 at 8:51AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, and Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups (USG) to Unhealthy level. WHERE...All of Wisconsin. WHEN...Until noon Thursday, July 31. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke will impact Wisconsin's surface air quality over the coming days, causing the PM2.5 Air Quality Index (AQI) to range from the Unhealthy for Sensitive Groups (USG; Orange) category to the Unhealthy (Red) category. It will be possible for NowCast AQI values to reach the Very Unhealthy (Purple) category. Smoke impacts are already being observed in northern Wisconsin this morning, and the smoke is expected to slowly travel south through northern Wisconsin today. Overnight tonight into Wednesday morning, the smoke will continue south, impacting most of the state by noon Wednesday. The smoke is then expected to linger over the state from noon Wednesday until noon Thursday. We may see brief improvements in air quality on Thursday before smoke moves back into northern areas on Friday. Stay tuned to the air quality forecast as conditions can change quickly during wildfire smoke events. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-29T08:51:00-05:00 2025-07-29T08:51:00-05:00 2025-07-29T08:51:00-05:00 2025-07-29T17:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 291351 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Special Weather Statement issued July 27 at 5:48AM CDT by NWS Green Bay WI

Patchy dense fog has developed early this morning in portions of north-central, central and east-central Wisconsin. If traveling, expect sharply reduced visibility at times and increase the following distance between you and the vehicle ahead of you. Be sure to use low beam headlights. The fog will diminish after 8 am. Special Weather Statement 2025-07-27T05:48:00-05:00 2025-07-27T05:48:00-05:00 2025-07-27T05:48:00-05:00 2025-07-27T09:00:00-05:00 Actual Alert Met Expected Moderate Observed Vilas; Oneida; Lincoln; Langlade; Menominee; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Waushara; Winnebago; Calumet SAME 055125 SAME 055085 SAME 055069 SAME 055067 SAME 055078 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055137 SAME 055139 SAME 055015 UGC WIZ005 UGC WIZ010 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ045 UGC WIZ048 UGC WIZ049 AWIPSidentifier SPSGRB WMOidentifier WWUS83 KGRB 271048 NWSheadline PATCHY DENSE FOG EARLY TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR Public IPAWSv1.0 en-US http://www.weather.gov SAME SPS NationalWeatherService SPS

Air Quality Alert issued July 25 at 6:56AM CDT by NWS Green Bay WI

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Brown, Calumet, Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie, Portage, Shawano, Vilas, Waupaca, Waushara, Winnebago, Wood. WHAT...The PM2.5 AQI is expected to reach the Unhealthy for Sensitive Groups (USG) to Unhealthy level. WHERE...Northern and central Wisconsin, as well as southeast Wisconsin. WHEN...Through 11 PM tonight. Precautionary/Preparedness Actions: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Canadian wildfire smoke over northern Wisconsin will overspread the rest of the state today. Winds will begin turning southerly tonight into Saturday, at which point the smoke will begin moving back north. It is possible that the advisory will need to be extended into Saturday. For more information on current air quality, please see: https://airquality.wi.gov Air Quality Alert 2025-07-25T06:56:00-05:00 2025-07-25T06:56:00-05:00 2025-07-25T06:56:00-05:00 2025-07-25T23:00:00-05:00 Actual Alert Met Unknown Unknown Unknown Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Kewaunee; Waushara; Winnebago; Calumet; Manitowoc; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055029 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 SAME 055061 SAME 055137 SAME 055139 SAME 055015 SAME 055071 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ022 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ040 UGC WIZ045 UGC WIZ048 UGC WIZ049 UGC WIZ050 UGC WIZ073 UGC WIZ074 AWIPSidentifier AQAGRB WMOidentifier AEUS73 KGRB 251156 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS Public IPAWSv1.0 en-US http://www.weather.gov SAME NWS NationalWeatherService AQA

Special Weather Statement issued July 25 at 6:24AM CDT by NWS Green Bay WI

Patchy fog, dense in some locations, persists over portions of the area this morning. If traveling, expect sharply reduced visibility at times and increase the following distance between you and the vehicle ahead of you. Be sure to use low beam headlights. The fog will quickly diminish after 8 am. Special Weather Statement 2025-07-25T06:24:00-05:00 2025-07-25T06:24:00-05:00 2025-07-25T06:24:00-05:00 2025-07-25T08:00:00-05:00 Actual Alert Met Expected Moderate Observed Vilas; Oneida; Forest; Florence; Northern Marinette County; Lincoln; Langlade; Menominee; Northern Oconto County; Marathon; Shawano; Wood; Portage; Waupaca; Outagamie; Brown; Southern Marinette County; Southern Oconto County SAME 055125 SAME 055085 SAME 055041 SAME 055037 SAME 055075 SAME 055069 SAME 055067 SAME 055078 SAME 055083 SAME 055073 SAME 055115 SAME 055141 SAME 055097 SAME 055135 SAME 055087 SAME 055009 UGC WIZ005 UGC WIZ010 UGC WIZ011 UGC WIZ012 UGC WIZ013 UGC WIZ018 UGC WIZ019 UGC WIZ020 UGC WIZ021 UGC WIZ030 UGC WIZ031 UGC WIZ035 UGC WIZ036 UGC WIZ037 UGC WIZ038 UGC WIZ039 UGC WIZ073 UGC WIZ074 AWIPSidentifier SPSGRB WMOidentifier WWUS83 KGRB 251124 NWSheadline PATCHY DENSE FOG EARLY TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR Public IPAWSv1.0 en-US http://www.weather.gov SAME SPS NationalWeatherService SPS

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