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

An air quality advisory is expected to remain in effect until noon June 6 as Michigan continues to see effects of Canadian ...

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

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

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, ...

Canadian wildfire smoke has entered the Upper Midwest and poses significant health impacts in the hardest-hit areas.

Smoke from Canadian wildfires began to worsen air quality in the eastern U.S. on Wednesday as several Midwestern states ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Erie County's air quality index is expected to rise into the moderate zone, meaning people sensitive to air pollution are at ...

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