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<p>Previous studies demonstrated the association of particulate matter with an aerodynamic diameter of ≤ 2.5&#xa0;μm (PM<sub>2.5</sub>) with mortality. The PM<sub>2.5</sub> components that are associated with mortality and lagged effects vary across regions. This study aimed to evaluate the effects of PM<sub>2.5</sub> constituents on overall, cardiovascular, and respiratory mortality in Seoul. PM<sub>2.5</sub> and its chemical constituents were assessed in Seoul, Korea, by the National Institute of Environmental Research between 2016 and 2019. The daily overall, cardiovascular, and respiratory mortality data in Seoul were obtained from the Korea Public Data Portal. Moreover, the meteorological data were extracted from the Korean Meteorological Administration Open Weather Data Portal. The risks of mortality associated with PM<sub>2.5</sub> and its constituents were analyzed using a Poisson model, and the lagged effects from the day of exposure up to 5 days were considered after adjusting for meteorological data and date. Respiratory mortality was associated with PM<sub>2.5</sub> levels measured 3 days prior. Ni increased respiratory mortality on lag 3 with the highest relative risk (RR). (RR, 1.036; 95% confidence interval (CI), 1.017–1.055). S, V, and Se were also associated with increased respiratory mortality with delayed effects. Air pollution management targeting specific heavy metals may help reduce respiratory mortality.</p>

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Effects of PM2.5 and particle constituents on overall, cardiovascular, and respiratory mortality in Seoul

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月23日

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  • Oh Beom Kwon,
  • Eun Ju Lee,
  • Myoung Nam Lim,
  • Young Ji Han,
  • Jun Young Ahn,
  • Hye Jung Shin,
  • Jung Min Park,
  • Jeeyoung Kim,
  • Woo Jin Kim

摘要

Previous studies demonstrated the association of particulate matter with an aerodynamic diameter of ≤ 2.5 μm (PM2.5) with mortality. The PM2.5 components that are associated with mortality and lagged effects vary across regions. This study aimed to evaluate the effects of PM2.5 constituents on overall, cardiovascular, and respiratory mortality in Seoul. PM2.5 and its chemical constituents were assessed in Seoul, Korea, by the National Institute of Environmental Research between 2016 and 2019. The daily overall, cardiovascular, and respiratory mortality data in Seoul were obtained from the Korea Public Data Portal. Moreover, the meteorological data were extracted from the Korean Meteorological Administration Open Weather Data Portal. The risks of mortality associated with PM2.5 and its constituents were analyzed using a Poisson model, and the lagged effects from the day of exposure up to 5 days were considered after adjusting for meteorological data and date. Respiratory mortality was associated with PM2.5 levels measured 3 days prior. Ni increased respiratory mortality on lag 3 with the highest relative risk (RR). (RR, 1.036; 95% confidence interval (CI), 1.017–1.055). S, V, and Se were also associated with increased respiratory mortality with delayed effects. Air pollution management targeting specific heavy metals may help reduce respiratory mortality.