Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

The satellite imagery shows the wildfire smoke as a fuzzy white look on the images. The wildfire smoke is thick just to ...

Continuing smoke from the Canadian wildfires is causing the north country to be under an Air Quality Alert for the third ...

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

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 ...

Each New England state has seen an uptick in the number of days over the last five years when fine particulate matter (PM2.5) ...

Anyone who might be especially vulnerable to the effects of air pollution should limit their outdoor activities.

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

Air quality is expected to fluctuate between healthy and moderate levels in Kitsap due to smoke from the Bear Gulch Wildfire ...

Winds were pushing smoke toward Seattle — similar to an earlier wave over the weekend. This round of smoke will likely stick ...

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