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Secondary organic aerosol association with cardiorespiratory disease mortality in the United States

Author

Listed:
  • Havala O. T. Pye

    (U.S. Environmental Protection Agency)

  • Cavin K. Ward-Caviness

    (U.S. Environmental Protection Agency)

  • Ben N. Murphy

    (U.S. Environmental Protection Agency)

  • K. Wyat Appel

    (U.S. Environmental Protection Agency)

  • Karl M. Seltzer

    (U.S. Environmental Protection Agency)

Abstract

Fine particle pollution, PM2.5, is associated with increased risk of death from cardiorespiratory diseases. A multidecadal shift in the United States (U.S.) PM2.5 composition towards organic aerosol as well as advances in predictive algorithms for secondary organic aerosol (SOA) allows for novel examinations of the role of PM2.5 components on mortality. Here we show SOA is strongly associated with county-level cardiorespiratory death rates in the U.S. independent of the total PM2.5 mass association with the largest associations located in the southeastern U.S. Compared to PM2.5, county-level variability in SOA across the U.S. is associated with 3.5× greater per capita county-level cardiorespiratory mortality. On a per mass basis, SOA is associated with a 6.5× higher rate of mortality than PM2.5, and biogenic and anthropogenic carbon sources both play a role in the overall SOA association with mortality. Our results suggest reducing the health impacts of PM2.5 requires consideration of SOA.

Suggested Citation

  • Havala O. T. Pye & Cavin K. Ward-Caviness & Ben N. Murphy & K. Wyat Appel & Karl M. Seltzer, 2021. "Secondary organic aerosol association with cardiorespiratory disease mortality in the United States," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-27484-1
    DOI: 10.1038/s41467-021-27484-1
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    Cited by:

    1. Annan Chen & Chuanfeng Zhao & Haotian Zhang & Yikun Yang & Jiefeng Li, 2024. "Surface albedo regulates aerosol direct climate effect," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. Can Zhang & Meilin Yan & Hang Du & Jie Ban & Chen Chen & Yuanyuan Liu & Tiantian Li, 2023. "Mortality risks from a spectrum of causes associated with sand and dust storms in China," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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