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

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

I lost my home in the Pacific Palisades fire. Although wildfires have become a part of modern life, you can take steps to ...

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

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

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

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 ...

Amid hot, dry weather in Northern California, a lightning-sparked fire near Shasta Lake has grown to almost 12,000 acres. The ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

Prepare for poor air quality from Canadian wildfire smoke and rising temperatures today, with rain and thunderstorms expected ...