Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests ...

Environment Canada issued a statement on Monday, highlighting air quality and heat warnings for parts of the Greater Toronto ...

Parts of the Greater Toronto Area (GTA) are under an air quality warning on Monday alongside an ongoing heat warning in the ...

Risk designations can change regularly in the same community, Environment Canada says, so it's important to keep checking the air quality forecast.

As extreme heat continues to cast over the city of Toronto, Environment Canada is warning of poor air quality on Monday.

Canada's environment authority on Monday afternoon issued multiple heat warnings for several provinces, including Ontario, Quebec and the Atlantic provinces.

Ontario faces heat warnings and poor air quality. Meteorologist Ian Hubbard breaks down how this summer compares to last and the role of wind in wildfire smoke.

Environment Canada has issued a special air quality statement for Hamilton and Halton areas for July 14. The air quality is ...

Environment Canada has issued a heat warning for Greater Sudbury, with hot and humid conditions expected from Tuesday to ...

Warnings were issued for southern Ontario and southwest Quebec as hot and humid weather is expected to linger through ...

Environment Canada says we can expect a warmer than normal summer. But Senior Climatologist David Phillips says just how much ...

Amid a heatwave that led to Environment Canada issuing a heat warning late last week, the national weather agency has added ...