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 ...

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

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

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

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

Concern for poor air quality in the greater Chicago Metropolitan Area remains as the Illinois EPA extended its air quality ...

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.

Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden air from the north, bringing it down to the surface.

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...