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

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 ...

A forest fire in the Burnt River area of Ontario's cottage country continues to burn out of control, with water bombers and ...

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.

Hot and humid weather conditions will come to an end for the Greater Toronto and Hamilton areas and eastern Ontario by ...

Forest fires in western Canada have been identified as the source of the smoke that is drifting into parts of northwestern ...

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

It’s been over a year since Jo Ann Royle started struggling with the foul, polluted air that often overwhelms her home in ...

Most of southern Ontario can look forward to some relief from the heat, as cooler air is expected to arrive Tuesday night, ...

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

This week in southern Ontario, heat and air quality warnings remain in place, with daytime highs reaching above 30 C and humidex values near 40. Evening lows will be slightly cooler but still warm, ...