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Distribution and health risks of aerosol black carbon in a representative city of the Qinghai-Tibet Plateau

Abstract

Although aerosol black carbon (BC) exerts strong influences on human health, research on potential health risks of aerosol BC around the Qinghai-Tibet Plateau is very limited. This is the very first study to investigate the distribution of aerosol BC in a typical city of the Qinghai-Tibet Plateau and the resulting health risks. The results showed that the maximal real-time (5-min monitoring interval) concentration of aerosol BC was 22.34 μg/m3, much higher than day- and week-averaged concentrations which were in the range of 1.28–6.15 and 1.93–4.63 μg/m3, respectively. The health risks were evaluated using four different health endpoints including low birth weight (LBW), percentage lung function decrement of school-aged children (PLFD), cardiovascular mortality (CM), and lung cancer (LC). The highest risks of LBW, PLFD, CM, and LC had reached 69.5, 184.4, 67.4, and 31.8 numbers of equivalent passively smoked cigarettes (PSC), respectively. The concentrations and health risks of aerosol BC in the study area are at a middle level among the global cities/regions. In comparison, the cities of the Qinghai-Tibet Plateau are experiencing high potential health risks resulting from aerosol BC to need more effective prevention and control of air pollution.

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Acknowledgements

The authors would like to thank Dr. Yang Liu at The University of Western Ontario for polishing the manuscript. The authors would like to thank the reviewers for their valuable suggestions and comments on the manuscript.

Funding

This work was supported by One Hundred Talents Program of Chinese Academy of Sciences (Grant numbers of Y610061033 and Y629041021), National Natural Science Foundation of China (No. 41671319), Thousand Talents Plan of Qinghai Province (Y740171071), and Two-Hundred Talents Plan of Yantai (Y739011021).

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Correspondence to Jian Lu.

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Responsible editor: Philippe Garrigues

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Wu, J., Lu, J., Min, X. et al. Distribution and health risks of aerosol black carbon in a representative city of the Qinghai-Tibet Plateau. Environ Sci Pollut Res 25, 19403–19412 (2018). https://doi.org/10.1007/s11356-018-2141-9

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  • DOI: https://doi.org/10.1007/s11356-018-2141-9

Keywords

  • Aerosol black carbon
  • The Qinghai-Tibet Plateau
  • Distribution
  • Health risk