The haze is expected to ease Thursday morning with pollution levels dropping to moderate after Toronto jumped on and off the ...

Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

Certain trees, such as pines, are much more likely to burst into flames than others due to their sap and needles, McBean ...

On Monday morning, Environment Canada issued a special air quality statement for the vast majority of southern Ontario, ...

“Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to ...

Environment Canada has issued special air quality statements for southwestern Ontario as Prairie wildfire smoke sits over ...

A stretch of southern Ontario remains under a special air quality statement today amid smoke from wildfires burning in parts ...

Millions are under air quality alerts as wildfire smoke blankets large swaths of U.S. Millions of people across the Upper ...

The conditions are expected to cause poor air quality and reduced visibility across the region, according to a statement ...

People forced to breathe air polluted with large amounts of wildfire smoke visit hospital emergency rooms more often for ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Smoke from wildfires in the Prairies is causing poor air quality and reduced visibility in the Hamilton-Niagara area and much ...