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 ...

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

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

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.

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

CHICAGO - An Air Quality Alert is in effect until midnight Wednesday night for the following counties: McHenry, Lake (IL), ...

Wednesday morning will begin in the mid 60s with the chance for patchy fog across Chicagoland. Wednesday’s highs bump into ...

Temperatures continue to creep up in Chicagoland this week, with Wednesday highs in the mid- to upper 80s. Meanwhile, smoke ...

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

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside and keeping windows and doors closed.

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...