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

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

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

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

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

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

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

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

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

St. Louis and the entire state of Illinois will be under an air quality alert Friday due to wildfire smoke from Canada ...

Chicago officially had the worst air quality in the world for a few hours Thursday. As a haze of Canadian wildfire smoke ...

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