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Current Time: 11:28:18 PM PDT

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Weather Alert
    Other Weather Alerts
Type Air Quality Alert

Air Stagnation Advisory
Mon Aug 04 09:50:00 PDT 2025
Mon Aug 04 10:20:00 PDT 2025
Mon Aug 04 12:01:00 PDT 2025
Mon Aug 04 12:18:00 PDT 2025

Issued By NWS Grand Rapids MI
Issuing Time Mon, 04 Aug 2025 09:45:00 PDT
Broadcast Time Mon, 04 Aug 2025 09:45:00 PDT
Valid Until Tue, 05 Aug 2025 21:00:00 PDT
Brief Description Air Quality Alert
Detailed Description Air Quality Advisory through Tuesday August 5th. The Michigan Department of Environment, Great Lakes, and Energy (EGLE) is continuing an Air Quality Advisory for elevated levels of fine particulate (PM2.5). Pollutants across the state are expected to reach the Unhealthy for Sensitive Groups (USG, Orange AQI) range with a few hours in the Unhealthy (Red AQI) range. The Air Quality Advisory includes all Michigan counties. Smoke from Canadian wildfires remains trapped under a high pressure system through Tuesday. As the high pressure system slowly moves east of Michigan, it is expected that air quality will improve on Wednesday. It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and respiratory diseases like asthma. Monitor for symptoms such as wheezing, coughing, chest tightness, dizziness, or burning in nose, throat, and eyes. Reduce or eliminate activities that contribute to air pollution, such as: outdoor burning, use of residential wood burning devices. Tips for households: Keep windows closed overnight to prevent smoke from getting indoors and, if possible, run central air conditioning with MERV-13 or higher rated filters. 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/ For further health information, please see MDHHS Wildfire Smoke and Your Health site: https://www.michigan.gov/mdhhs/safety-injury-prev/environmental-health/ your-health-and-wildfire-smoke
       
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