Smoke from wildfires in northern Ontario is also affecting the region. Environment Canada issued an air quality warning late ...

Environment Canada has issued a warning for a multi-day heat event for the GTA and all of southern Ontario starting Sunday. The national weather service says people can expect daytime highs ranging ...

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

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With more wildfire smoke returning, that means we're on track for reduced air quality in southern Ontario on Wednesday, but it won't be as poor as what the province experienced last week and weekend.

Parts of Ontario experienced some of the worst air quality in the world Monday due to wildfire smoke. Learn if health ...

A recent poll found 35 per cent of Ontario residents reported negative effects to their eye health in the past year, resulting from severe weather such as wildfire smoke and heat waves ...

Wildfire smoke contains fine particulate matter, ... There are 60 fires in Alberta, and dozens of other fires are burning throughout Manitoba, Ontario, Saskatchewan and the Northwest Territories.

A Hazardous Weather Outlook is also in effect across the region. The National Weather Service issued the outlook because of ...

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

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

Today isn’t our first brush with Canadian wildfire smoke. But it’s easily one of most noticeable. Today is the first time ...