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Characteristics of fine particulate non-polar organic compounds in Guangzhou during the 16th Asian Games: Effectiveness of air pollution controls

  • H. M. Xu
  • , J. Tao
  • , Steven Sai Hang Ho
  • , K. F. Ho
  • , J. J. Cao*
  • , N. Li
  • , Judith C. Chow
  • , G. H. Wang
  • , Y. M. Han
  • , R. J. Zhang
  • , John G. Watson
  • , J. Q. Zhang
  • *Corresponding author for this work
  • CAS - Institute of Earth Environment
  • University of Chinese Academy of Sciences
  • South China Institute of Environmental Sciences
  • HKG Premium Services and Research Laboratory
  • Chinese University of Hong Kong
  • Desert Research Institute
  • CAS - Institute of Atmospheric Physics
  • Hubei Polytechnic University

Research output: Contribution to journalArticlepeer-review

Abstract

The concentrations of organic compounds, including n-alkanes and polycyclic aromatic hydrocarbons (PAHs), in fine particles (PM2.5) were measured in an urban area of Guangzhou before, during, and after the 16th Asian Games (9-30 November 2010). Higher average concentrations of n-alkanes and PAHs occurred in the nighttime, presumably due to a restriction on motor vehicle operation during the day and the accumulation of pollutants due to temperature inversions at night. The carbon preference index, contributions of wax n-alkanes, and PAHs diagnostic ratios indicated that the main sources of n-alkanes and PAHs were anthropogenic, especially motor vehicle emissions. The CMAQ model was used to estimate the percentages of biogenic organic aerosol in the total organic aerosol, then the ratios of source marker PAHs to biogenic organic carbon were used to evaluate the air pollution control policies effectiveness during the Asian Games.

Original languageEnglish
Pages (from-to)94-101
Number of pages8
JournalAtmospheric Environment
Volume76
DOIs
StatePublished - Sep 2013
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities

Keywords

  • Asian Games
  • N-Alkane
  • PAH
  • Pollution control policy

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