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

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 ...

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

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

The air quality index (AQI) dropped below 100 overnight, meaning the air quality is now “unhealthy for some” across a good portion of northern Illinois. Those with heart and lung ...

FOX31's Kasia Kerridge takes a look at air quality alerts and fire danger across Colorado as wildfires burn around the states ...

Air quality alerts have been issued across 12 states for Wednesday, according to the National Weather Service.

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

CHICAGO - It's another day of poor air quality across the Chicago region with temperatures set to warm up. Fox 32 ...

Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

Chicago had the distinction last week of having the worst air quality in the world due to Canadian wildfires. The big ...

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