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

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

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.

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

The Illinois Environmental Protection Agency does not expect this weekend's smoke infiltration to be as dangerous as June ...

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

Smoke from wildfires in Canada moved into the Chicago area Friday evening. Doctors are warning people about the potential ...

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

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

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

Forecasters with the National Weather Service are saying a haze could settle over Chicago on Friday, lasting through the ...