In 2023, Canada's worst wildfire season on record produced so much smoke that it spilled across national borders into the United States. At times, a thick haze enveloped much of the U.S. East Coast ...

Canada’s record-breaking 2023 wildfire season led to a spike in air pollution in the country and in the US, erasing recent progress in cleaning up the air, according to new analysis. The wildfires, ...

Over 87,000 premature deaths worldwide can be traced to the impact of Canada's explosive 2023 wildfire season, new research estimates. Fires burned 71,043 square miles (18.4 million hectares) of ...

Canada's record-breaking 2023 wildfires exposed more than 350 million people in North America and Europe to air pollution that likely contributed to tens of thousands of deaths, according to new ...

Short-term surges in air pollution in New Jersey from the 2023 Canadian wildfires were associated with a higher stroke rate and more serious strokes, according to a preliminary study to be presented ...