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

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

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

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

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

Smoke from wildfires in California has been drifting south and east, impacting much of Southern California and parts of ...

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

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

An elevated flooding risk persists on Sunday for some parts of the Southeast as Alabama, Georgia and the Florida Panhandle ...

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

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...