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  Storm Center: Weather Alerts: Warnings


 
My Location: Los Angeles, CA 
 
Current Time: 11:47:01 AM PDT
Other Alerts  
Weather Alert
    Other Weather Alerts
Type Air Quality Alert

Air Stagnation Advisory
Fri Jun 20 08:18:00 PDT 2025
Sat Jun 21 07:29:00 PDT 2025
Issued By NWS Grand Rapids MI
Issuing Time Fri, 20 Jun 2025 08:04:00 PDT
Broadcast Time Fri, 20 Jun 2025 08:04:00 PDT
Valid Until Sat, 21 Jun 2025 21:00:00 PDT
Brief Description Air Quality Alert
Detailed Description Air Quality Advisory for Saturday June 21, 2025 The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory for June 21, 2025, for elevated levels of ozone in southwestern counties of Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range. The Air Quality Advisory is in effect for the following Michigan counties: Allegan, Kent, Muskegon, Ottawa, and Van Buren We are in the peak of ozone season, and the current forecast shows ozone- conducive conditions for Saturday. Surface temperatures in the 90s, coupled with ample sunlight and southwest winds, create an environment favorable for ozone development along the Lake Michigan shoreline. It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with respiratory diseases such as asthma. People and businesses are urged to avoid activities which can lead to ozone formation. These activities include: refueling vehicles or topping off when refueling; using gasoline powered lawn equipment; using charcoal lighter fluid. Positive activities include: driving less; telecommuting; walking or bike riding; delaying or combining errands; using water-based paints. For up-to-date air quality data for Michigan visit the MiAir site: https://air-egle.hub.arcgis.com/ For up-to-date air quality data nationally visit EPAs Air Now site: https://www.airnow.gov/ Air Quality Advisory Michigan Department of Environment, Great Lakes, and Energy June 20, 2025
       
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