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 ...

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 ...

Environment Canada is encouraging people to limit time outdoors amid poor air quality that could persist into Tuesday.

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

Experts are trying to refine emergency alerts, as the GTA experienced some of the worst air quality in the world this week. Data released by the Ontario-based community platform Nextdoor showed that ...

The wildfires that are flaring up across Canada again are one of the reasons public safety should be added to CBC/Radio-Canada's mandate, a new report from a research centre at McGill University ...

Plenty of rainfall events have tipped the precipitation scales in parts of Canada, but there are several locales that have missed out on them and are sitting on the dry side of things at the moment ...

After a fast and early start to Canada's 2025 wildfire season, shifting weather conditions have helped to quell the rapid ...