Chicago will see near-90 temperatures, high humidity, and poor air quality today, with storm chances returning tonight.

Concern for poor air quality in the greater Chicago area remains as the Illinois EPA extends its alert until Thursday night.

I’ll tell ya, it’s about time we see some green pop up on our air quality map! That means the Air Quality Index (AQI) has ...

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

CHICAGO (WLS) -- An air quality alert has been extended for part of the Chicago area through Thursday. The alert for McHenry, Lake, Kane, DuPage, Kendall, Grundy, Cook and Will counties in Illinois ...

Thursday begins with a good deal of sunshine, but as temperatures heat up, clouds will build towards lunchtime and into the ...

Millions of Americans have been urged to avoid driving amid concerns over high air pollution levels. Air quality alerts were issued across parts of Illinois, Colorado, Wyoming, and Arizona on Thursday ...

With continued warm air and water temperatures, the City of Centralia will once again be applying a commercial algaecide known as EarthTec® at Lake Centralia on Friday August 8th to prevent growth of ...

The Wisconsin Department of Natural Resources says the air quality index for ozone is expected to reach the unhealthy for sensitive groups level -- and could become unhealthy for all. In our area, the ...

Good Thursday morning, Evanston. Here are the latest news and feature stories plus great photos from around the city.

Air quality alerts remain in effect from Minnesota to the Northeast due to smoke from hundreds of wildfires in Canada. In the ...