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 ...

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 ...

Having breathing trouble today? Canadian wildfire smoke is drifting across Ohio today, dropping the air quality in parts of ...

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

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 ...

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