Articles | Volume 17, issue 17
Atmos. Chem. Phys., 17, 10245–10258, 2017
Atmos. Chem. Phys., 17, 10245–10258, 2017

Research article 01 Sep 2017

Research article | 01 Sep 2017

Impacts of traffic emissions on atmospheric particulate nitrate and organics at a downwind site on the periphery of Guangzhou, China

Yi Ming Qin et al.

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Short summary
Freshly emitted HOA contributed significantly to the high concentrations of organics at night as heavy-duty vehicles enter downtown Guangzhou, while SOA contributed to the daytime high concentration. The large input of NOx, from automobile emissions, resulted in the significant formation of nitrate in both daytime and nighttime. Mitigating the PM pollution in urbanized areas such as Guangzhou can potentially benefit their peripheral cities, by reductions in traffic-related pollutants.
Final-revised paper