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

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

The Illinois EPA and Iowa DNR have issued Air Quality Alerts for all of the Quad Cities area through Friday night. Smoke from ...

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

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

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

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

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

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

The Air Quality Alert has been extended for both Wisconsin and Illinois through Friday, lasting until Noon for southern Wisconsin and Friday night for northern Illinois. Significant impacts from ...