New York DEC and DOH have issued an Air Quality Health Advisory for fine particulate matter on June 7, 2025, due to wildfire ...

Wildfire smoke in Ontario has dropped air quality to poor levels, but it will finally improve come Sunday as the centre of ...

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

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 ...

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.

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, ...

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.

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.