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

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

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

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 ...

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

Air quality was impacted in a big way by Canadian wildfire smoke in the Chicago area Thursday, but how long could that smoke ...

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.

Tuesday will feature plenty of sunshine, although it'll be hazy sunshine due to wildfire smoke. A few stray showers or storms ...

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