The changing risk and burden of wildfire in the United States | PNAS thumbnail
The changing risk and burden of wildfire in the United States | PNAS
www.pnas.org
Our results show that the contribution of wildfire smoke to PM2.5 concentrations in the US has grown substantially since the mid 2000s, and in recent years has accounted for up to half of the overall PM2.5 exposure in western regions as compared to <20% a decade ago
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Summary

- πŸ”₯ Wildfire smoke's contribution to PM2.5 levels in the US has significantly increased since the mid-2000s.
- 🌍 In recent years, wildfire smoke has accounted for up to 50% of PM2.5 exposure in western regions.
- πŸ“‰ This is a stark rise from less than 20% a decade ago, highlighting a growing environmental concern.
- 🏞️ The changing climate and land management practices are likely influencing these trends.
- πŸ“Š The study underscores the urgent need for improved air quality management and wildfire mitigation strategies.

Top Highlights

  • Our results show that the contribution of wildfire smoke to PM2.5 concentrations in the US has grown substantially since the mid 2000s, and in recent years has accounted for up to half of the overall PM2.5 exposure in western regions as compared to <20% a decade ago

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