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 haze of Canadian wildfire smoke can be seen over Grand Rapids, Mich. on June 5, 2025. The air quality index was above 151, ...

Elsewhere in the area, air quality was deemed moderate rather than good. The air quality advisory was issued ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia as well as other parts of Europe ...

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

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Rounds of smoke from hundreds of Canadian wildfires, as well as dust blowing off Sub-Saharan Africa, will continue to envelop ...

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

Environment Canada is warning Toronto residents to limit their time outdoors today due to poor air quality caused by wildfire ...

Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the ...

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.