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

An Ontario labour group says it is advocating for more robust worker protections amid growing health concerns over poor air ...

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

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

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

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

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

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

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

Code Yellow Air Quality or moderate level for particle pollution are forecast for Thursday and Friday. This may cause health symptoms for groups of people in the unusually sensitive category.

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

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