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

More than 700 wildfires are burning in Canada as of Tuesday evening. Donald Trump makes major announcement on political ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...

An air quality warning is in effect as smoke from wildfires in Manitoba and Saskatchewan blankets much of Nunavut’s Kivalliq ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

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 ...

Environment Canada has lifted special air quality statements for southwestern Ontario as Prairie wildfire smoke dissipates.

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem that’s ...

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

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

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