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

Hazy skies descend over the New York City area again on Tuesday, re-upping some air quality alerts related to Canadian ...

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 ...

Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest are under air quality alerts ...

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

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 ...

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...

Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

It will be the fourth day in a row the state has issued an air quality health advisory for much of Upstate New York, ...

With smokey conditions likely worsening throughout Aug. 3, an air quality advisory was extended to noon Aug. 4.

The Bear Gulch Fire has been burning for nearly a month in the southeast part of the Olympic Peninsula, sending smoke ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...