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

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

Smoke billowing from wildfires is leading to poor air quality and reducing visibility throughout Manitoba this ...

Parts of the Greater Toronto Area remained under a special air quality statement and a heat warning on Monday night.

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

Wildfire smoke is also affecting central and northern Saskatchewan, with Environment Canada saying Buffalo Narrows, Sask., will see the air quality health index remain at the “very high risk” rating ...

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

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

In Canada, the Air Quality Health Index (AQHI) is a scale developed to help people understand what the current air quality means for your health. It is an initiative among Environment Canada, Health ...

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

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

Monday's daytime high in Toronto is currently forecasted to reach 31 C, with the humidex values in the upper 40s.