Active Weather Alerts
Air Quality Alert
Issued: 4:33 PM Jun. 16, 2025 – National Weather Service
...AIR QUALITY ADVISORY FOR TUESDAY JUNE 17, 2025... The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory for June 17, for elevated levels of ozone in several western lake shore counties. 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 counties in southwest Michigan... Berrien and Cass Although smoke advisories are no longer an issue for the meantime, we are getting into the peak season for ozone development. This will be the case for Tuesday, as all signs point towards the likely development of elevated ozone along several lake shore counties. Elements such as wind direction, temperature, dewpoint and upper air conditions all point towards the likelihood that could see ozone concentration in the USG range. Cloud cover is uncertain during the peak heating hours, but enough sun will likely trigger the photochemical reactions necessary to generate ozone. 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 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 EPA's Air Now site: https://www.airnow.gov/
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