Wildfires are still raging in Canada, where there have been dozens of active fires, and over 33,000 people have been forced ...

Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

Smoke from Canadian wildfires triggered an air quality alert Thursday across northeast Illinois, meaning conditions are ...

Chicago’s air took a hit overnight as smoke from more than 100 Canadian wildfires drifted into the city, pushing the air ...

An air quality alert is in effect until midnight Thursday for the Chicago area as Canadian wildfires continue.

The Illinois Environmental Protection Agency declared an "Air Pollution Action Day" for the greater Chicago area, with special attention to those most vulnerable, including children, the elderly and ...

Illinois environmental officials are warning residents about air quality concerns as wildfire smoke from Canada persists in ...

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...