Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

A Chicago Air Quality Alert has been extended through Friday as smoke from Canada wildfires has pushed the AQI into unhealthy ...

Smoke from Canadian wildfires is leading to very unhealthy air quality for much of Michigan, including all of Southeast ...

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

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

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

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in ...

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

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

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

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...