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

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

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

Toronto’s air quality index was at eight, or “high risk,” this morning. Environment Canada says reduced air quality can cause ...

The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment ...

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

Smoke from Canadian wildfires prompted a special air‑quality statement for Toronto and warnings nationwide, urging residents to limit outdoor time amid poor air and hazy skies.

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

The north-central part of the Prairies and parts of Ontario remain under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region’s very poor air quality ...

Wildfire smoke is also lingering over northwestern Ontario, with an air quality warning for Thunder Bay and a forecast for ...