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

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

The poor air quality continues to prevail in Illinois as Canadian wildfire smoke migrates south into the U.S. As a result, ...

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

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

The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

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

The Chicago area has experienced several days of pleasant temperatures, but the mercury will be trending upward again in ...

West-central Illinois is under a "moderate" air quality rating as smoke from Canadian wildfires drifts down into the Midwest.

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

CHICAGO The Illinois Environmental Protection Agency (Illinois EPA) and the Illinois Department of Public Health (IDPH) are ...

Several wildfires burning across the northwestern Canadian provinces are again sending vast amounts of smoke into the upper Midwest and northeastern US, swamping the area with unhealthy air quality – ...