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

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over ...

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Massachusetts can expect hazy skies on Wednesday as smoke from Canadian wildfires continues to drift down the East Coast, ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...

It's time for change. Wisconsin could face the real possibility of being flanked by the effects of wildfires from both the ...

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 fires have resulted in hazardous air-quality conditions across much of Canada and the northern U.S. They are continuing ...

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

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