Exposure to carbon monoxide, fine particle mass, and ultrafine particle number in Jakarta, Indonesia: Effect of commute mode

Adam F. Both, Dane Westerdahl, Scott Fruin, R. Budi Haryanto, Julian D. Marshall

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

We measured real-time exposure to PM2.5, ultrafine PM (particle number) and carbon monoxide (CO) for commuting workers school children, and traffic police, in Jakarta, Indonesia. In total, we measured exposures for 36 individuals covering 93days. Commuters in private cars experienced mean (st dev) exposures of 22 (9.4) ppm CO, 91 (38) μg/m3PM2.5, and 290 (150)×103 particlescm-3. Mean concentrations were higher in public transport than in private cars for PM2.5 (difference in means: 22%) and particle counts (54%), but not CO, likely reflecting in-vehicle particle losses in private cars owing to air-conditioning. However, average commute times were longer for private car commuters than public transport commuters (in our sample, 24% longer: 3.0 vs. 2.3h per day). Commute and traffic-related exposures experienced by Jakarta residents are among the highest in the world, owing to high on-road concentrations and multi-hour commutes.

Original languageEnglish
Pages (from-to)965-972
Number of pages8
JournalScience of the Total Environment
Volume443
DOIs
Publication statusPublished - 5 Jan 2013

Keywords

  • Developing country
  • In-vehicle exposure
  • Motor vehicle emissions
  • Urban air pollution
  • Urbanization

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