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ACP | Articles | Volume 19, issue 9
Atmos. Chem. Phys., 19, 6125–6146, 2019
https://doi.org/10.5194/acp-19-6125-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 6125–6146, 2019
https://doi.org/10.5194/acp-19-6125-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 May 2019

Research article | 09 May 2019

Dominant role of emission reduction in PM2.5 air quality improvement in Beijing during 2013–2017: a model-based decomposition analysis

Jing Cheng et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jing Cheng on behalf of the Authors (04 Mar 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (05 Mar 2019) by Hang Su
RR by Anonymous Referee #1 (24 Mar 2019)
ED: Publish as is (24 Mar 2019) by Hang Su

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Jing Cheng on behalf of the Authors (30 Apr 2019)   Author's adjustment   Manuscript
EA: Adjustments approved (03 May 2019) by Hang Su
Publications Copernicus
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Short summary
We attribute Beijing’s PM2.5 abatement in 2017 (compared to 2013) to the following factors: meteorology changes (3.8 μg m−3, 12.1 % of total), regional emission reduction (7.1 μg m−3, 22.5 %), and seven specific categories of control measures in Beijing (20.6 μg m−3, 65.4 %). Our study confirms the effectiveness of clean air actions in Beijing and its surrounding regions and reveals a new generation of control measures, and strengthened regional joint protection measures should be implemented.
We attribute Beijing’s PM2.5 abatement in 2017 (compared to 2013) to the following factors:...
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