Articles | Volume 15, issue 22
Atmos. Chem. Phys., 15, 12879–12895, 2015
https://doi.org/10.5194/acp-15-12879-2015
Atmos. Chem. Phys., 15, 12879–12895, 2015
https://doi.org/10.5194/acp-15-12879-2015

Research article 19 Nov 2015

Research article | 19 Nov 2015

Characteristics and sources of submicron aerosols above the urban canopy (260 m) in Beijing, China, during the 2014 APEC summit

C. Chen et al.

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Short summary
A comprehensive characterization of submicron aerosol composition and sources at 260m in urban Beijing during APEC 2014 is presented. Aerosol species were shown to decrease substantially by 40–80% during APEC, whereas the bulk composition was relatively similar to the result of synergetic controls of secondary precursors. Our results elucidated that the good air quality during APEC was the combined result of emission controls and meteorological effects, with the former playing the dominant role.
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