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

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

As Canadian wildfire smoke lingers in the skies, the Chicago area will soon be under an air quality alert, but the smoke ...

Wildfire smoke covered the Chicago area Thursday, leading to unhealthy air quality and a wave of haze, but where did it come ...

Wildfire smoke brings hazy skies and poor air quality to Chicago today, with hot and humid weather building into the weekend.

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

Air Quality Alerts remain in effect for the Chicago area Friday due to smoke from Canadian wildfires. ABC7 Accuweather ...

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

Chicago had the worst air quality in the world on Thursday. ABC7 Chicago is now streaming 24/7. Click here to watch The air ...

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

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