Evaluation of the trend of air quality in Taipei, Taiwan from 1994 to 2003

Shuenn Chin Chang, Chung Te Lee

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

The data collected from the five air quality monitoring stations established by the Taiwan Environmental Protection Administration (TEPA) in Taipei City were analyzed to assess the changes in air quality. The analyses reveal that the air quality in Taipei City improved over the last decade from 1994 to 2003, as evidenced by the significant downward trends of the various primary air pollutant concentrations, such as CO, NOX, SO2, and PM10. An air pollution fee was collected by TEPA in 1995, and several air pollution control measures were likewise taken to improve the air quality in Taiwan. However, although the extreme daily maximum O3 concentrations occurred more frequently in earlier years and showed a downward trend, its moderately high concentrations increased annually in recent years. It implied that after the reduction of various primary pollutant concentrations, the effective reduction of O3 pollution still remains an important issue.

Original languageEnglish
Pages (from-to)87-96
Number of pages10
JournalEnvironmental Monitoring and Assessment
Volume127
Issue number1-3
DOIs
StatePublished - Apr 2007

Keywords

  • Pollutant temporal variation
  • Pollutant trend
  • Primary air pollutants
  • Secondary air pollutants
  • Urban air quality

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