Wildfire smoke is choking Wisconsin for a third straight spring. The hazy, dirty air from Canada — “some of the highest ...

The state Department of Environmental Conservation has issued an air quality health advisory for Sunday due to smoke from ...

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

Air quality has improved in much of Quebec and Ontario, but wildfire smoke continues to affect parts of the Prairies, northern Ontario, and eastern Quebec.

Environment Canada says air quality has improved across most of Quebec and Ontario as changes in wind and rain ease the ...

Edmonton is launching its extreme weather response as wildfire smoke is expected to cause a plunge in air quality. City ...

Canadian Grand Prix is expected to go ahead as planned despite thick wildfire smoke spreading across Montreal.

Much of Ontario remains under special air quality statements or warnings today amid smoke from wildfires burning in other parts of Canada.

Environment Canada says wildfire smoke is affecting air quality in northeastern British Columbia. The agency issued special air quality statements Saturday for Fort Nelson and the Peace River region, ...

The New York State Department of Environmental Conservation and the Department of Health have issued an air quality health ...

An air quality alert has been issued for the entirety of Minnesota on Sunday as Canadian wildfire smoke continues to impact ...