Forecasters extended a weekend statewide air quality advisory into Monday because they expect smoke from Canadian wildfires to linger over the state and cause unhealthy levels of particle pollution.

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

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From British Columbia to the Northwest Territories and all the way east to New Brunswick, air quality alerts have been issued ...

Thousands of triathletes ran, cycled and swam across Ottawa Sunday as the city played host to the Ironman Canada-Ottawa ...

Step outside and you'll probably smell it—smoke has been a major issue across much of Eastern Canada this weekend. Montreal ...

After the Canadian wildfires placed several regions of New York State into an air quality health advisory on Aug. 3, the ...

Nearly 400 properties on Vancouver Island, as well as a provincial park, have been ordered evacuated due to a wildfire ...

A Greenwood and Danforth measuring station reported the city’s worst air quality Saturday evening. Smoky skies are likely ...

Wildfires in northern Manitoba are forcing thousands of residents from a Cree Nation out of their homes over poor air quality ...

Wildfire smoke from the Prairies today is forecast to fill the skies from Vancouver Island to Charlottetown with gritty, hazy ...

The statement is currently in effect for the Greater Toronto Area (GTA) as wildfire smoke continues to drift into the region. Environment Canada says the smoke is expected to drift south this ...