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.

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

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

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

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

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

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

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

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

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

Chicago air quality remains poor Friday thanks to Canadian wildfire smoke. An Air Quality Alert remains in place as events including Lollapalooza and Fiesta del Sol enter their second day.