Characteristics of volatile organic compounds and relative pollutants observed in autumn in Beijing

doi:10.7523/j.issn.2095-6134.2014.03.006

Abstract

Abstract:

Ninety-nine volatile organic compounds (VOCs) species were measured in autumn in Beijing. The average concentration of VOCs was 54.6 ppb. The average concentiations of NMHCs and oxygenated VOCs were 38.0 ppb and 10.04 ppb, respectively. The pollution status of VOCs was evaluated based on the diurnal variation and ratio between typical VOCs species(E/E and B/T). The air masses observed were characterized to photochemical-aged and supposed to be affected mainly by traffic emission sources. The same conclusion was reached by the co-analysis of air mass backward trajectory and B/T value at noon.

Key words: Beijing, autumn, VOCs, pollution level, source characteristics

CLC Number:

X513

LUO Datong, GAO Jian, WANG Shulan, ZHANG Yuechong, ZHANG Meng, CHAI Fahe. Characteristics of volatile organic compounds and relative pollutants observed in autumn in Beijing[J]. , 2014, 31(3): 329-336.

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