Though much of the wildfire smoke will remain high up in the atmosphere, a portion will mix with air on the surface, ...

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...

As record wildfires erupt across Canada this year, with health-threatening smoke drifting into the U.S. and as far away as ...

Though the Maine DEP expects a large amount of smoke to move out on Wednesday, the smoke will not entirely clear out of Maine ...

Wildfires prompted evacuations, air quality concerns and decimated a historic hotel in the Grand Canyon North Rim. See photos ...

Today isn’t our first brush with Canadian wildfire smoke. But it’s easily one of most noticeable. Today is the first time ...

The smoke Tuesday morning is likely to be the most noticeable we've seen so far this year in Denver. DENVER — The Denver area ...

Bellingham and Whatcom County residents could be seeing the first wildfire smoke of summer Monday night as most of Washington ...

The Green Fire in Shasta County has led to increased smokiness around the region, including at the Redding Regional Airport.

A wildfire that broke out Sunday afternoon in the mountains of southwestern Sevier County forced evacuations and sent smoke ...

Weekend wildfire smoke produced some of the worst air pollution ever recorded in MN originally appeared on Bring Me The News.

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...