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

Smoke has continued to cloud Illinois' air for a second straight day, but the poor air quality isn't because of a fire in the ...

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

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 ...

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 ...

The Illinois EPA and IDPH are warning residents of unhealthy air quality due to Canadian wildfire smoke, and are urging ...

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...

Air quality alerts issued Thursday in Illinois because of Canadian wildfire smoke marked the latest bout in an increasingly common summer occurrence. The alert covers 34 Illinois counties designated ...

Illinois residents are urged to reduce pollution levels. The air quality is expected to improve by Saturday, according to the National Weather Service. Hannah Hudnall covers trending news for the USA ...

Dr. Steve Arnold, a pulmonologist at Decatur Memorial Hospital, says for the last few days the air quality index has been bad ...