The highest concentration of low-level smoke will remain confined to northeastern Ontario, western Quebec, and into the Ottawa Valley through Saturday evening. These areas can expect degraded air ...

It’s going to be a hazy and humid Sunday across southern Ontario, with wildfire smoke reducing visibility and triggering special air-quality warnings as temperatures climb toward 30 C. Those hoping to ...

Wildfire smoke from the Prairies is drifting towards the Greater Toronto Area, prompting Environment Canada to issue a ...

Environment Canada has issued special air quality statements for multiple regions across northeastern Ontario and beyond.

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

For the full 24 hours of Aug. 3, the New York State Department of Environmental Conservation is issuing an air quality health ...

A wildfire burning out of control on Vancouver Island has grown to an estimated 2.45 square kilometres, nearly double the last estimate.

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday. Smoke from forest fires is causing reduced visibility and poor air quality that ...

Environment Canada has issued a Special Air Quality Statement for Greater Sudbury because of wildfire smoke. The statement ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air ...

Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.