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

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

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Environment Canada has placed Toronto, and the surrounding GTA, under both a heat wave and a poor air quality warning due to ...

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

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

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

Smoke billowing from wildfires is leading to poor air quality and reducing visibility throughout Manitoba this ...

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.

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

More than 100 million people are under air quality alerts Friday morning from Wisconsin to Vermont and down to North Carolina as smoke from Canadian wildfires continues to waft south, though ...