The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...

Poor air quality from the Canadian wildfires remains a concern on Tuesday for much of the Upper Midwest and Northeast regions ...

Air quality alerts are now in place for 10 states from Minnesota to Connecticut and, on Tuesday afternoon, Boston is expected ...

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

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

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

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

Tuesday night is when the high pressure system shifts to the east, the NWS says. This should allow south winds to return, ...

Smoke from hundreds of active wildfires in Canada has drifted southward, contributing to degraded air quality across the ...

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent outdoors.

Smoke from wildfires burning across Canada are brining hazy conditions to the area, and all of eastern Pennsylvania is under ...