Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.

WEATHER ALERT ENVIRONMENT CANADA ************************* Issued at 2025-06-07 12:12PM EDT by Environment Canada, the ...

Much of Ontario remains under special air quality statements or warnings today amid smoke from wildfires burning in other ...

Quebec joined southern Ontario locations on the list of record breaking air quality levels to finish the week. Montreal even ...

Smoke from wildfires burning in northern Ontario and the Prairies of Canada caused poor air quality and reduced visibility in ...

Another wildfire-threatened town in northern Manitoba began a mandatory evacuation Friday, while a 140-kilometre-long blaze ...

Toronto’s air quality is ranked among the worst in the world today as smoke from wildfires drifts into the region.

The wildfire smoke has prompted Environment Canada to issue a special air quality statement for the GTA, much of southern Ontario, as well as five other provinces and one territory. CTV's John ...

With wildfire smoke looming over Ontario, Environment Canada has issued air quality watches and statements for a large portion of the province.

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

Toxic metals, including arsenic, could be released by Canadian wildfires, posing health risks to those downwind.