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

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

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

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...

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

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

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

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

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 ...