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Population Exposure to PM2.5 in the Urban Area of Beijing

Author

Listed:
  • An Zhang
  • Qingwen Qi
  • Lili Jiang
  • Fang Zhou
  • Jinfeng Wang

Abstract

The air quality in Beijing, especially its PM2.5 level, has become of increasing public concern because of its importance and sensitivity related to health risks. A set of monitored PM2.5 data from 31 stations, released for the first time by the Beijing Environmental Protection Bureau, covering 37 days during autumn 2012, was processed using spatial interpolation and overlay analysis. Following analyses of these data, a distribution map of cumulative exceedance days of PM2.5 and a temporal variation map of PM2.5 for Beijing have been drawn. Computational and analytical results show periodic and directional trends of PM2.5 spreading and congregating in space, which reveals the regulation of PM2.5 overexposure on a discontinuous medium-term scale. With regard to the cumulative effect of PM2.5 on the human body, the harm from lower intensity overexposure in the medium term, and higher overexposure in the short term, are both obvious. Therefore, data of population distribution were integrated into the aforementioned PM2.5 spatial spectrum map. A spatial statistical analysis revealed the patterns of PM2.5 gross exposure and exposure probability of residents in the Beijing urban area. The methods and conclusions of this research reveal relationships between long-term overexposure to PM2.5 and people living in high-exposure areas of Beijing, during the autumn of 2012.

Suggested Citation

  • An Zhang & Qingwen Qi & Lili Jiang & Fang Zhou & Jinfeng Wang, 2013. "Population Exposure to PM2.5 in the Urban Area of Beijing," PLOS ONE, Public Library of Science, vol. 8(5), pages 1-9, May.
    • Handle: RePEc:plo:pone00:0063486
    DOI: 10.1371/journal.pone.0063486
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    References listed on IDEAS

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    1. Jin-Feng Wang & Mao-Gui Hu & Cheng-Dong Xu & George Christakos & Yu Zhao, 2013. "Estimation of Citywide Air Pollution in Beijing," PLOS ONE, Public Library of Science, vol. 8(1), pages 1-6, January.
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    Cited by:

    1. Ying Long & Jianghao Wang & Kang Wu & Junjie Zhang, 2018. "Population Exposure to Ambient PM 2.5 at the Subdistrict Level in China," IJERPH, MDPI, vol. 15(12), pages 1-13, November.
    2. Ci Song & Tao Pei & Ling Yao, 2015. "Analysis of the Characteristics and Evolution Modes of PM 2.5 Pollution Episodes in Beijing, China During 2013," IJERPH, MDPI, vol. 12(2), pages 1-13, January.
    3. Yating Wan & Minya Xu & Hui Huang & Song Xi Chen, 2021. "A spatio‐temporal model for the analysis and prediction of fine particulate matter concentration in Beijing," Environmetrics, John Wiley & Sons, Ltd., vol. 32(1), February.
    4. Gang Lin & Jingying Fu & Dong Jiang & Wensheng Hu & Donglin Dong & Yaohuan Huang & Mingdong Zhao, 2013. "Spatio-Temporal Variation of PM 2.5 Concentrations and Their Relationship with Geographic and Socioeconomic Factors in China," IJERPH, MDPI, vol. 11(1), pages 1-14, December.

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