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

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.

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

Environment Canada has lifted special air quality statements for southwestern Ontario as Prairie wildfire smoke dissipates.

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

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

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 ...

Burlington has the worst air quality in the country on Monday compared with other Canadian cities according to the World Air ...

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

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

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.