US, Canada had highest air pollution surge worldwide in 2023: Report
Canada's 2023 wildfires caused particulate pollution to rise over 50% from 2022 levels, shortening average life expectancy by two years, according to University of Chicago research.
- Global air pollution is worsening, with the United States and Canada experiencing the sharpest increases due to wildfires undoing decades of progress.
- Canada's catastrophic 2023 wildfire season drove a more than 50% rise in particulate levels compared to 2022, while the United States saw a 20% increase.
- Although the data currently only extends until 2023, the trend is likely to have continued as both countries face intensifying wildfire seasons.
36 Articles
36 Articles

Wildfires in 2023 drove Canada’s air pollution. How could it affect life expectancy?
A new global report says record-breaking 2023 wildfires drove Canada's air pollution to levels not seen since at least the late 1990s and exposed half the country to pollution concentrations above the national standard.
Wildfires in 2023 drove Canada's air pollution. How could it affect life expectancy?
A new global report says record-breaking 2023 wildfires drove Canada’s air pollution to levels not seen since at least the late 1990s and exposed half the country to pollution concentrations above the national standard. Canada’s average pollution levels were near the middle of the pack among the countries and territories included in the report, but […]
Wildfires are reversing Canada's progress on improving air quality
A new report released today found that, while globally air pollution levels were somewhat flat, Canada experienced its worst pollution since 1998, with more than half of Canadians breathing air that surpassed our national standard.

Climate-driven wildfires reversing pollution progress in N. America: study
Global air pollution is worsening, with the United States and Canada experiencing the sharpest increases due to record-breaking, climate-supercharged wildfires that are undoing decades of progress, a study said Thursday.
Climate-driven Wildfires Reversing Pollution Progress In N. America: Study
Global air pollution is worsening, with the United States and Canada experiencing the sharpest increases due to record-breaking, climate-supercharged wildfires that are undoing decades of progress, a study said Thursday.
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