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 ...

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

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 ...

The hazy skies in the Chicago area are the visible sign of the poor air quality on Thursday as smoke from Canadian wildfires ...

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

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

CHICAGO (WLS) -- Air Quality Alerts remain in effect for the Chicago area Friday due to smoke from Canadian wildfires.

The Midwest, especially Chicago, has been getting hit with waves of smoky air, carried in by shifting winds. Some Chicagoans ...