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.

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

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 ...

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

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

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

Having breathing trouble today? Canadian wildfire smoke is drifting across Ohio today, dropping the air quality in parts of the state. What to know.

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

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 ...

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

The Nova Scotia government has announced it's banning hiking, camping, fishing and use of vehicles such as ATVs in the woods ...

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