Air quality has taken a serious hit across the United States as a twofold blow of wildfires in the West and in Canada have ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

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

Smoke from over 700 wildfires in Canada have made air quality in cities from Minnesota to the Northeast among the worst in ...

Air quality in states north of Tennessee has been reduced by smoke from Canadian wildfires, but how will those wildfires ...

Air quality across parts of New Hampshire will continue to be affected by smoke from Canadian wildfires through Tuesday night ...

The Santa Clarita Valley and Inland Empire will experience the worst air quality on Tuesday, according to South Coast AQMD.

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

An air quality alert issued today from the Clark County Division of Air Quality warns that wildfire smoke from Southern ...

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

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

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