Asian Journal of Atmospheric Environment

Korean Society for Atmospheric Environment (한국대기환경학회)
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Air Quality Improvement Scenario for China during the 13th Five-Year Plan Period

  • Tang, Qian (Atmospheric Environment Department, Chinese Academy for Environmental Planning) ;
  • Lei, Yu (Atmospheric Environment Department, Chinese Academy for Environmental Planning) ;
  • Chen, Xiaojun (Atmospheric Environment Department, Chinese Academy for Environmental Planning) ;
  • Xue, Wenbo (Atmospheric Environment Department, Chinese Academy for Environmental Planning)
  • Received : 2016.11.25
  • Accepted : 2017.01.19
  • Published : 2017.03.31
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Abstract

China is suffering from severe air pollution especially fine $PM_{2.5}$ pollution. In 2015, the annual average $PM_{2.5}$ concentration of the 338 municipal cities was $50{\mu}g/m^3$, 78% cities at or above the prefectural level failed to comply with the $PM_{2.5}$ concentration standards. The $13^{th}$ Five-Year Plan for National Economic and Social Development set the goal that the annual average concentration of $PM_{2.5}$ in the municipal cities which failed to attain the ambient air quality standards shall be decreased by 18% by 2020 (CCCPC, 2016). In this study, an air pollution control scenario during the $13^{th}$ Five-Year Plan period was proposed and the $SO_2$, $NO_x$ and PM emission reductions in response to different measures in 31 provincial-level regions mainland China by 2020 were estimated. The air quality in the target year (2020) was simulated using the WRF-CMAQ model. The results showed that by 2020, the emissions of $SO_2$, $NO_x$ and primary PM in mainland China will be reduced by 4.19 million tons, 3.94 million tons and 4.41 million tons, a drop of 23%, 21% and 25% respectively compared with that in 2015, and the annual average concentration of $PM_{2.5}$ will decrease by 19%. Coal-fired power plant contributes the most pollutant emission reduction.

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