Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday. Smoke ...

Environment Canada has issued an air quality statement for Montreal today due to smoke from wildfires in the Prairies.

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

Air quality will deteriorate across 12 states through Saturday, mainly in the Upper Midwest, as wildfire smoke pours into the ...

Wildfire smoke from the Prairies is drifting towards the Greater Toronto Area, prompting Environment Canada to issue a ...

Environment Canada has issued a Special Air Quality Statement for Greater Sudbury because of wildfire smoke. The statement ...

Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan, as well as eastern Nebraska and parts of ...

For the full 24 hours of Aug. 3, the New York State Department of Environmental Conservation is issuing an air quality health ...

Smoke from Canadian wildfires is prompting air quality concerns across several New York regions, including parts of the ...