A new analysis of air quality data from the past 70 years shows that Canada's record wildfire smoke in 2023 is part of a broader, continent-wide trend toward smokier skies across North America.

Widespread special air quality statements are in effect for a large portion of Ontario and parts of Quebec this weekend as thick plumes of wildfire smoke push into the region from the Prairies. Smoke ...

Environment Canada has issued special air quality statements for much of Ontario and parts of western Quebec due to wildfire smoke drifting from western Canada fires. The smoke is causing or is ...

SOUTHFIELD, Mich. (WXYZ) — Hundreds of wildfires in Canada are creating unhealthy air quality conditions across the Midwest, including Michigan, where some areas ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada continues to waft into the United States, creating hazy, gray skies over major ...

Hazy skies hung over parts of the midwest and northeastern U.S. on Sunday, caused by smoke drifting across the border from hundreds of wildfires in Canada. Canada is experiencing its second worst ...

At least 738 wildfires are currently burning in Canada, with at least 201 out of control, according to the Canadian Interagency Forest Fire Centre. Hundreds of wildfires still burning in Canada are ...

Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality advisory through Monday. The Bay Area Air District originally issued an air ...