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

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

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

Temperatures are climbing into the 80s this week, with highs expected to hit 90° by the weekend. Wildfire smoke will continue ...

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

This past Thursday should have been a beautiful day, a day to throw open the windows and putter in the garden, long-awaited ...

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

The public is advised to take precautions, especially those sensitive to polluted conditions, by limiting their time outside and keeping windows and doors closed.

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

All 179 incarcerated people were safely removed from the Rifle Correctional Center on Saturday “out of an abundance of ...

A thick haze of smoke from Canadian wildfires has descended on the US Midwest, degrading air quality during Lollapalooza in ...

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