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

Millions in the United States are facing another day of hazy skies fueled by hundreds of smoky wildfires burning across North ...

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, ...

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

Hundreds of wildfires in Canada are creating unhealthy air quality conditions across the Midwest, including Michigan, where ...

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

Residents of central Pennsylvania should prepare for hazy skies and reduced air quality today as wildfire smoke from Canada ...

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

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

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

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