Environment Canada suggests the city’s air quality will stay at “moderate risk” levels until at least Saturday.

A fresh warning issued by Environment Canada on Friday afternoon predicts temperatures will begin to rise on Saturday and remain high until the middle of next week.

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

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

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

Toronto is among the most polluted cities in the world on Monday morning as the city remains under a special air quality ...

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

Environment Canada is warning residents the smoke from wildfires may continue to affect parts of southern Ontario into Monday ...

The sky over Winnipeg isn't just among the smokiest in Canada right now — the city has the unenviable distinction of having ...

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

The north-central part of the Prairies remains under a series of air-quality warnings. Environment Canada says wildfire smoke ...