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

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

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 ...

National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

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 ...

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