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

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the ...

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

Air quality has taken a serious hit across the United States as a twofold blow of wildfires in the West and in Canada have ...

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

Wildfire smoke from Canada is a problem again in the Chicago area, with an air quality alert in place now extended through ...

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 ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

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

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

Air quality alerts are in place for portions of 10 states from Minnesota to Delaware as officials warn the smoke may become dangerous for sensitive groups.

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