The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...

A stretch of northern Ontario remains under a special air quality statement amid smoke from wildfires burning in parts of the ...

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

A stretch of southern Ontario remains under a special air quality statement today amid smoke from wildfires burning in parts ...

I RYU/VCG via Getty ImagesRed flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds and fires in these areas may ...

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according ...

An air quality statement was issued for the region and much of southern Ontario because of drifting smoke from western Canada ...

Toronto will once again see diminished air quality on Tuesday as smoke from forest fires in other regions drift into the city ...

Hazy skies linger over New Hampshire as smoke from the Canadian wildfires drifts overhead. "The sky will continue to have a ...

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 ...

Air quality alerts were issued in North Jersey Aug. 5 as smoke from Canadian wildfires drifts across the northern United States.

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect ...