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

As of Aug. 6, there are about 750 active Canadian wildfires, with at least 190 labeled “out of control,” according to the ...

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

As Vermont encounters its third day of poor air quality, state officials say that dealing with wildfire smoke pollution is “going to be a part of our future.” ...

Some spots may still be experiencing low air quality on Wednesday, when peak heating and heightened humidity are on tap — oh, ...

The American Veterinary Medical Association warns that the wildfires from Canada are causing poor air quality in parts of the ...

Air quality in New York City continues to pose health risks for the community, as elevated ozone pollution has prompted officials to declare an air quality alert for ...

We're forecasting a heat wave for Sunday through Tuesday of next week, with highs in the 90s, paired with moderate levels of humidity. The next more substantial chance for rain doesn't arrive until ...

Canadian wildfire smoke has worsened the air quality in multiple states and irritated the eyes, noses and throats of many Americans.

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 ...

Tonight will be mostly clear and mild, with lows in the 60s for most towns. Sunday turns hotter, with highs soaring into the ...

Extreme heat is heading to both coasts, bringing dangerously high temperatures to the Northeast, Northwest and Southwest.