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.

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

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

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

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

Western winds have pushed smoke plumes from Prairie wildfires toward Quebec and Ontario, including Toronto and the GTA ...

Wildfire smoke is also affecting central and northern Saskatchewan, with Environment Canada saying Buffalo Narrows, Sask., will see the air quality health index remain at the “very high risk” rating ...

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 ...

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

Environment Canada issued a special air quality statement for Toronto Tuesday afternoon, advising that high levels of air pollution will develop in the evening due to smoke from forest fires.

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 ...