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 ...

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

Canada had some of the worst air quality in North America on Tuesday morning according to waqi.info, the website for the ...

Half a dozen First Nations in northwestern Ontario remain without reliable power, after wildfires damaged several utility ...

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

Wildfires are common in Canada's western provinces, but this year the eastern provinces of Nova Scotia, Quebec and parts of Ontario have also reeled from out-of-control wildfires.

It’s Canada’s worst fire season in modern history, as smoke fills skies. On Sunday, smoke from Canadian fires stretched across the Atlantic Ocean, with a plume apparently on its way to parts ...

More than 200 wildfires are blazing across Canada, ... an environmental scientist at McMaster University in Ontario who studies Canada’s forests.

Canadian wildfire smoke is back again. ... wildfires in Canada have burned nearly 7,685 square miles, ... particularly in northern Ontario and the western provinces.