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ACP | Articles | Volume 19, issue 21
ACP | Articles | Volume 19, issue 21
Atmos. Chem. Phys., 19, 13519–13533, 2019
https://doi.org/10.5194/acp-19-13519-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 13519–13533, 2019
https://doi.org/10.5194/acp-19-13519-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
ACP | Articles | Volume 19, issue 21

Research article 06 Nov 2019

Research article | 06 Nov 2019

The control of anthropogenic emissions contributed to 80 % of the decrease in PM2.5 concentrations in Beijing from 2013 to 2017

Ziyue Chen et al.

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Boylan, J. W. and Russell, A. G.: PM and light extinction model performance metrics, goals and criteria for three-dimensional air quality models, Atmos. Environ., 40, 4946–4959, 2006. 
Brunekreef, B. and Holgate, S.: Air pollution and health Lancet, 360, 1233–1242, 2002. 
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Chen, Z., Xie, X., Cai, J., Chen, D., Gao, B., He, B., Cheng, N., and Xu, B.: Understanding meteorological influences on PM2.5 concentrations across China: a temporal and spatial perspective, Atmos. Chem. Phys., 18, 5343–5358, https://doi.org/10.5194/acp-18-5343-2018, 2018. 
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We employed Kolmogorov–Zurbenko filtering and WRF-CMAQ to quantify the relative contribution of meteorological variations and emission reduction to PM2.5 reduction in Beijing from 2013 to 2017, which is crucial to evaluate the Five-year Clean Air Action Plan. Both models suggested that despite favourable meteorological conditions, the control of anthropogenic emissions accounted for around 80 % of PM2.5 reduction in Beijing. Therefore, such a long-term clean air plan should be continued.
We employed Kolmogorov–Zurbenko filtering and WRF-CMAQ to quantify the relative contribution of...
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