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

TORONTO - The poor air quality that has blanketed swaths of central and Western Canada is not only infiltrating the lungs, ...

Tuesday’s air quality warning has dropped to a 5, considered a moderate risk, down from Monday’s peak of 10+ on the Air ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

Special air-quality statements caused by wildfire smoke remain in effect for many areas of the country, and in some places, ...

Special air-quality statements caused by wildfire smoke remain in effect for many areas of the country, and in some places, ...

Special air quality weather advisories due to wildfire smoke remain in effect in many parts of the country, and in some places, including Montreal, the heat is also present. Much of central Canada, ...

When Julie Wang sees streets turn into rivers after another heavy downpour in Toronto, she thinks of the 600-square-foot ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...