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

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

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

Smoke from wildfires in Canada reached Connecticut’s skies and caused poor air quality on Tuesday, according to state ...

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

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

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

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...

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