Wildfire smoke drifting over the Washington, D.C., area is making the skies look hazy and negatively affecting air quality.

Chief at Climate Crisis 24/7, reports on alarming air quality levels across North America, as visualized by AirNow’s ...

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

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

Smoke from Canadian wildfires has drifted thousands of miles across the U.S., remaining suspended in the atmosphere for days, ...

CARLSBAD, N.M. (KRQE) – Carlsbad Caverns say they keep finding trash from decades ago, when they first opened to the public ...

Each New England state has seen more days over the last five years when fine particulate matter or ozone exceeds air quality ...

NORFOLK, Va. — No, that's not fog — Wildfire smoke from over 700 active wildfires in Canada has blown thousands of miles down ...

Wildfire smoke from the Bear Gulch Fire is affecting air quality across western Washington. Prolonged exposure to smoke can ...

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.

Wildfire smoke and haze are expected to slowly lift out of northern Michigan by the end of the week, bringing relief for ...

Tuesday night is when the high pressure system shifts to the east, the NWS says. This should allow south winds to return, ...