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

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

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

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

According to the National Weather Service, the air quality alert remains in effect through midnight in parts of the Chicago ...

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 ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

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