Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Toronto is seen Monday; the Air Quality Health Index rating for the city was higher than 10, or "very high risk," from ...

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Tuesday’s air quality warning has dropped to a 5, considered a moderate risk, down from Monday’s peak of 10+ on the Air ...

Organizers of the Montreal and Toronto tournaments say they have plans for if the air quality becomes hazardous to athletes’ and fans’ health ...

A haze of wildfire smoke engulfed Toronto on Monday morning, pushing the city's air quality to some of the worst on the globe ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to ...

Parts of the Greater Toronto Area remained under a special air quality statement and a heat warning on Monday night after the ...

World Cup being hosted by Canada, Mexico and the United States is less than a year away and FIFA’s protocols for matches ...

Ontario's poor air quality and hazy skies will persist for the next couple of days for many areas, with widespread alerts ...