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 ...

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 ...

Some Team P.E.I. athletes are back on the Island after taking part in the Canada Games, where their competition was ...

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

Canada wildfire smoke brings unhealthy air to large swaths of the Midwest Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan.

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 ...

Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.