Articles | Volume 19, issue 13
https://doi.org/10.5194/acp-19-8651-2019
https://doi.org/10.5194/acp-19-8651-2019
Research article
 | 
09 Jul 2019
Research article |  | 09 Jul 2019

Effectiveness of short-term air quality emission controls: a high-resolution model study of Beijing during the Asia-Pacific Economic Cooperation (APEC) summit period

Tabish Umar Ansari, Oliver Wild, Jie Li, Ting Yang, Weiqi Xu, Yele Sun, and Zifa Wang

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Latest update: 22 Apr 2024
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Short summary
We explore the effectiveness of short-term emission controls on haze events in Beijing in October–November 2014 with high-resolution model studies. The model captures observed hourly variation in key pollutants well, but representation of boundary layer processes remains a key constraint. The controls contributed to improved air quality in early November but would not have been sufficient had the meteorology been less favourable. We quantify the much more stringent controls needed in that case.
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