The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment Canada says.

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

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Smoke from wildfires in Canada reached Connecticut’s skies and caused poor air quality on Tuesday, according to state ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

People with chronic lung conditions and diseases should take their symptoms seriously when there are air quality alerts like ...

The north-central part of the Prairies remains under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region’s very poor air quality and could cause ...

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

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Most of New York is under an Air Quality Health Advisory today due to wildfire smoke. Our team is monitoring conditions closely. Please check the Air Quality Index before you go outside and take any ...