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

Chicago’s air quality was among the worst in the world Thursday afternoon, according to IQAir. The air quality in Chicago ...

Smoke from Canadian wildfires is once again impacting air quality in the Chicago area, with air quality index readings ...

The hazy skies in the Chicago area are the visible sign of the poor air quality on Thursday as smoke from Canadian wildfires ...

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

Smoke from Canadian wildfires is once again impacting Chicago’s air quality, with air quality index readings Thursday morning ...

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

Why is the air quality bad right now? Smoke from wildfires spreads to the Midwest, Northeast and southern California in the U ...

Wildfire smoke from Canada turned Chicago into one of the world’s most polluted metro areas as the Lollapalooza music ...

Chicago air quality remains poor Friday thanks to Canadian wildfire smoke. An Air Quality Alert remains in place as events including Lollapalooza and Fiesta del Sol enter their second day.

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