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

Some fire researchers say that we have entered the Pyrocene, an age in which human-caused fire activity is happening on a ...

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

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

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

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

Smoke from U.S. forest fires has reached the Big Smoke, but the good news is that the milky haze over the Toronto area poses no danger, according to Environment Canada.

Monday's daytime high in Toronto is currently forecasted to reach 31 C, with the humidex values in the upper 40s.

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

Sitting on a park bench in downtown Toronto, Maria Lee flicked through the photos on her phone to show how smoke had occluded the view from her high-rise apartment near Lake Ontario.

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

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