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

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

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

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

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

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

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

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

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

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