The current Trout Fire in Silver City, which has burned over 24,000 acres, has caused a new problem as El Paso's air quality ...

The Alaska Department of Environmental Conservation (DEC) issued an air quality advisory Tuesday afternoon for much of ...

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...

Environment Canada's air quality index has reported moderate to high risk since Saturday morning in Calgary, as many parts of ...

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

Smoke from wildfires burning in the Prairies is affecting air quality in Quebec, with Environment and Climate Change Canada ...

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

Officials issue an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.