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

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

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

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

Smoke from Canadian wildfires is once again impacting air quality in the Chicago area, with air quality index readings Thursday morning in the “unhealthy” category for some suburbs, according to ...

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

Chicago faces an air quality alert due to Canadian wildfire smoke and high ozone levels, with risks for sensitive groups.

The alert was also issued because of unhealthy ozone levels in addition to the smoke particles. The Chicago area has been ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an improvement for most of the Chicago area.

The National Weather Service issued an air quality alert for the city on Thursday and kept extending it through Sunday night. There was no alert Monday.

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

Parts of Illinois and Indiana are also under air quality alerts. People in New York, Vermont, New Hampshire, and Maine are also being advised to limit outdoor activity due to pollution from the smoke.