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

Poor air quality will continue in southern Ontario to start the weekend, all thanks to an arriving ridge that will suppress ...

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 topping the list for the worst air quality on Earth for major cities ...

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

Due to wildfire smoke blanketing much of the country, Environment Canada has issued a special air quality statement for the ...

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

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

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.

More toxic than other sources of pollution, wildfire smoke can cause a range of health effects, from mild coughs, itchy eyes and headaches to dizziness, wheezing, chest pains, asthma attacks, ...