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

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

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

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

As wildfires continue to rage in western Canada, the Environmental Protection Agency issued an Air Quality Alert for the ...

Smoke coming in from Canadian wildfires settled over Chicago, causing unhealthy air quality conditions for at-risk groups.

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

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

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

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 remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

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