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

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

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

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

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

Environment Canada warned on Thursday that poor air quality in the Toronto area would likely last into Friday. “Wildfire smoke can be harmful to everyone’s health even at low concentrations ...

Environment Canada urges residents to limit their time outdoors. But even when inside, most buildings can only reduce ...

The City of Toronto is providing free portable air conditioners to low-income, vulnerable seniors as part of a pilot program ...

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

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

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

Wildfire smoke from Western Canada and Northwest Ontario is spreading to Toronto, causing hazy skies and potentially health hazardous air quality. According to the province, downtown Toronto saw a ...