Articles | Volume 16, issue 24
Atmos. Chem. Phys., 16, 15451–15460, 2016
https://doi.org/10.5194/acp-16-15451-2016
Atmos. Chem. Phys., 16, 15451–15460, 2016
https://doi.org/10.5194/acp-16-15451-2016

Research article 15 Dec 2016

Research article | 15 Dec 2016

Investigating the impact of regional transport on PM2.5 formation using vertical observation during APEC 2014 Summit in Beijing

Yang Hua et al.

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Short summary
The characteristics of three PM2.5 pollution episodes were analyzed during the APEC Summit at a rural site outside of Beijing. It was found that meteorological conditions on the ground could not explain the pollution process, while vertical parameters helped improve the understanding of heavy pollution processes. Our research suggests that regional transport of air pollutants contributes significantly to severe secondary particle pollution, even when local emission is controlled effectively.
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