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

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

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Wildfire smoke has been blowing into the city since Sunday though residents should should expect some relief by early morning ...

The City of Toronto is providing free portable air conditioners to low-income, vulnerable seniors as part of a pilot program ...

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

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...

After a seven day heat wave, Toronto will see temperatures cool down to seasonal levels by Thursday evening. This comes after smoky air in Toronto prompted many camps to make last-minute changes, ...

Parts of the Greater Toronto Area (GTA) are under an air quality warning on Monday alongside an ongoing heat warning in the region, Environment Canada says. Smoke from forest fires over northern ...

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

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to ...