People who are sensitive to smoke, such as those with heart ailments or respiratory illnesses, may be affected.

Once rare, wildfire smoke is becoming more prevalent in Arctic communities as Canada faces harsh wildfire seasons.

For three days this spring, Ken Lachnit and dozens of other volunteer firefighters labored to beat back a fast-growing ...

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

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, explains how wildfire smoke from Canada has reached the Arctic—a ...

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

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire globe, with hazy skies now seen across parts of North America, Europe and ...

For your safety, it’s recommended to stay inside as much as possible with air conditioning on when air quality alerts are ...

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

Environment Canada has issued an air quality statement for western P.E.I. because of smoke from a wildfire in Nova Scotia ...

Minnesota and Canada share so much: frigid winters, a love for hockey—and more recently, massive plumes of toxic wildfire smoke sending people indoors in the peak of summer.