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 ...

As wildfires continue to rage in western Canada, the Environmental Protection Agency issued its first alert of the year for ...

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

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

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

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

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

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

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

The Chicago area is under an air quality alert until Friday night due to the Canadian wildfire smoke.ABC7 Chicago is now ...

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