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

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 ...

Environment Canada has ended special air quality statements for southwestern Ontario.The federal weather authority previously ...

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

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

The city had among the worst air quality in the world for a time on Wednesday and officials warned that poor air quality in the area would likely last into Friday. By Dan Bilefsky Toronto has ...

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 ...

Millions of Americans are under air quality alerts as wildfires burn in Canada. Experts say the weather pattern could change by early next week, and stress the need to take precautions until then.

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the Lower Hudson ...