Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

Toronto had the fifth most polluted air of the world’s major cities early Tuesday morning, according to Swiss air technology ...

Environment Canada has issued special air quality statements for southwestern Ontario as Prairie wildfire smoke sits over ...

On Monday morning, Environment Canada issued a special air quality statement for the vast majority of southern Ontario, ...

A stretch of southern Ontario remains under a special air quality statement today amid smoke from wildfires burning in parts of the country.

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WINNIPEG — Thousands of people have fled from a First Nation in northern Manitoba Monday as wildfires burned closer and closer to the community. The Nisichawayasihk Cree Nation, also called Nelson ...

Smoke from wildfires is expected to continue drifting across southern Ontario and impacting air quality in Toronto, according to Environment Canada ...

Forecasters say weak winds have left Canadian wildfire smoke to linger over the U.S. Stronger winds are expected to bring relief later in the week.

As wildfires rage on in northern Saskatchewan, Clearwater River Dene Nation and La Loche issued evacuation orders over the ...

Toronto will once again see diminished air quality on Tuesday as smoke from forest fires in other regions drift into the city ...