Canadian wildfire smoke continues to cause hazy skies and air quality alerts in New Hampshire. The air quality alert, extended through Tuesday night, particularly affects sensitive individuals. Air ...

The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...

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

Wildfire smoke is particularly harmful to kids’ respiratory health. One study found that a 10-unit increase of fine ...

Canadian wildfires are still causing some haze in Lower Hudson Valley skies Aug. 6. Will skies clear up any time soon?

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

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

Smoke from Canadian wildfires continues to linger over New Hampshire on Wednesday, though it is slowly dissipating day by day. Still, though, the smoke is affecting the air quality in the state.

The scale and intensity of the fires have had transboundary effects. Smoke from the blazes has drifted across the border into ...

This will be another partly cloudy day with a stray pop-up shower chance. While we expect a little bit of rain, the chance ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.