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 ...

Despite expected rain Sunday night, Canadian wildfire smoke will continue to impact Michigan on Monday, officials say.

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 ...

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

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, ...

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

Wildfires forced another 1,000 people to flee their homes in Manitoba, one of two Canadian provinces under a state of ...

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota due to smoke from the ...