Personal exposure to carbon monoxide in underground car parks in Hong Kong

Ming Yin Jonathan Chan, J. Burnett, Wan Ki Chow

Research output: Journal article publicationJournal articleAcademic researchpeer-review

18 Citations (Scopus)


An extensive survey has been carried out in 52 underground car parks in Hong Kong focusing on carbon monoxide concentrations in the air. So far as short-term health effects are concerned this compound is generally regarded as the most important chemical species from car exhausts. Its presence can be used to quantify air pollution, and give an indicator of the air quality in car parks. The sites were sampled during peak hours. This report presents the results and analysis of the carbon monoxide levels measured. Of the 52 sites surveyed, 27 were rated as 'good', 7 'acceptable' and 18 'poor' according to our interpretation of recommended international health criteria. The findings also revealed that the utilisation rate of car parks varied significantly over time.
Original languageEnglish
Pages (from-to)350-357
Number of pages8
JournalIndoor and Built Environment
Issue number6
Publication statusPublished - 1 Jan 1997


  • Car park
  • Carbon monoxide
  • Exposure risk
  • Personal exposure
  • Ventilation

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health


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