An air quality alert for increased ozone was issued for southeast Michigan on Saturday by the Michigan Department of Environment, Great Lakes and Energy. Elevated ozone levels during the mid-afternoon ...

The air quality in Detroit is unhealthy Friday with some areas in southeast Michigan even experiencing very unhealthy or hazardous conditions, according to the U.S. Air Quality Index. People with ...

Smoke from Canadian wildfires is causing air quality concerns and hazy skies for many Americans in the Midwest and Northeast for another day this week. A map of the current Air Quality Index, the ...

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) But many Angelenos aren’t sure if the AQI tells the full story, especially given how ...

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Smoke from Canadian wildfires is causing air quality concerns for many Americans in the Midwest and Northeast for another day this week. Air quality alerts were in effect Wednesday morning in parts of ...