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

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 osprey caught a fish but got tired in the heat and dropped it onto power lines, sparking a brush fire in western Canada — at least that's what firefighters believe. Or maybe the bird is an aspiring ...

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

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.

Crews working to beat back the sizeable forest fire burning its way into the Prince Albert National Park had to change ...

For the second straight day, the quality of the air in all of New Hampshire will be reduced thanks to smoke from wildfires ...

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

Canadian wildfires are the cause of an air quality alert that’s in effect for the tri-state area, according to health officials. New York City’s air quality index is at 118 on ...

Smoke from hundreds of active wildfires in Canada has drifted southward, contributing to degraded air quality across the ...