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Canadian Wildfire Smoke Prompts U.S. Forecast Surge, Triggers Air Quality Alerts Abroad

Smoke from fires covering 3.7 million hectares has drifted over U.S. states, crossing the Atlantic to reach Europe

Jacob Morse, a meteorologist for KFYR-TV, a television station in Bismarck, N.D., that's affiliated with both NBC and Fox News Channel is seen in this undated handout photo. THE CANADIAN PRESS/HO-Jacob Morse *MANDATORY CREDIT*
The Dryden Creek fire broke out Monday afternoon east of Highway 99 in Squamish, B.C., and grew from about half a hectare to five hectares by late Monday.
A couple take pictures of a wildfire as its spreads in Squamish, British Columbia on June 10, 2025.

Overview

  • Wildfires have consumed 3.7 million hectares of Canadian land this season, making it the second worst since 2023.
  • More than 30,000 residents in Manitoba and Saskatchewan have been evacuated after fires burned unchecked for over two weeks.
  • U.S. meteorologists say viewer demand for wildfire smoke updates has surged, with weather networks increasing coverage of distant Canadian blazes.
  • Plumes have reduced visibility and air quality in states like North Dakota and New York, with smoke detections in Europe prompting health warnings over respiratory and developmental risks.
  • Fire experts link the season’s intensity and deep smoke layers to human-driven climate warming, warning of longer, more destructive fire seasons ahead.