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Smoke From 2023 Canada Fires Linked to Thousands of Deaths: Study

Researchers estimate the 2023 Canadian wildfires increased global fine particulate pollution by 13%, causing over 82,000 premature deaths and impacting 354 million people worldwide.

  • Smoke from Canada's wildfires in 2023 caused an estimated 82,100 premature deaths worldwide, according to a study published in the journal Nature.
  • The period from June 26 to July 7, 2023, accounted for about 5,400 acute deaths in the United States and Canada.
  • Extreme fire conditions in Canada, fueled by climate change, burned about 18 million hectares, significantly impacting air quality across North America and western Europe.
  • Qiang Zhang, the study's lead researcher, expressed surprise at the findings, calling the results 'striking' and highlighting the smoke's tremendous health burden.
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Lean Left

Giant wildfires in Canada's forests in 2023 contributed to tens of thousands of deaths, mostly in North America but also in Europe, according to estimates released Wednesday.

·Belgrade, Serbia
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Lean Left

Experts do not yet have concrete figures, but believe that the effect is being underestimated and that the combination of smoke and other factors will have affected the health of thousands of people: “What is clear is this air has been very toxic”

·Spain
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Study estimates 2023 Canadian wildfire smoke caused 82,000 premature deaths globally

Smoke from record-breaking Canadian wildfires in 2023 caused an estimated 5,400 acute deaths and about 82,100 premature deaths worldwide, a new study shows.

·Canada
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Nature broke the news in United Kingdom on Wednesday, September 10, 2025.
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