Most of the province remains under air quality statements due to wildfire smoke from northern Ontario and the Prairies.

A system approaching the region will wrap thick smoke onto the southern Prairies and portions of southern Ontario into this ...

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

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

Hot weather is expected to linger for several more days, with forecasters warning of soaring temperatures and humidity across Ontario. Mississauga, Brampton, Halton, Hamilton and Durham are among the ...

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

It says the push is part of a broader heat stress strategy looking at how climate change is impacting working conditions ...

How to stay safe from air pollution PM2.5 is a mixture of chemicals that change based on what’s burning, Anenberg said. It’s possible some of the wildfire plume may contain toxic compounds ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

Thick plumes of smoke from dozens of wildfires raging in Ontario, Canada, are billowing across the US border, compromising the air quality for millions of residents in Wisconsin, Minnesota and Iowa.