Canada's second-worst wildfire season on record has already burned 7.8 million hectares and could continue for weeks, federal ...

Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast into Tuesday. At least 738 wildfires are currently burning in Canada, with at ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Heavy clouds of smoke billowing from wildfires filled the sky over mountains and hills in northern and western Spain on ...

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

Researchers have known about the health effects of air pollution for more than a century. The 1948 “Donora smog” in a ...

This is the second-most severe wildfire season in Canadian history, after 2023, with 15 million acres burned so far.

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air quality there. On August 1 conditions are particularly bad in Minnesota ...

Meanwhile, smoke from more than 700 active wildfires in Canada drifted across the Midwest and northwest, creating hazy skies over New York, New Jersey, Connecticut, Massachusetts, Vermont, Rhode ...