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

An Illinois Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate ...

Good afternoon, Chicago. Air quality alerts issued today in Illinois because of Canadian wildfire smoke marked the latest ...

An air quality alert in the Chicago area has been extended for another day as Canadian wildfire smoke continues to plague the ...

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

Air quality alerts issued Thursday in Illinois because of Canadian wildfire smoke marked the latest bout in an increasingly ...

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

Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...

An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead ...

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

The Illinois Environmental Protection Agency issued a Red Forecast Air Pollution Action Day for Thursday, July 31, for the ...

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