Commuter exposure to particle matter and carbon dioxide inside high-speed rail carriages

Exposure to PM2.5 and CO2 inside standard high-speed Chinese rail carriages is examined. The concentrations, 0.07 mg/m3 and 1200 ppm, are found to be significantly affected by passenger numbers, ventilation systems, and the carriage class. As passengers increase from 10 to 80 in a carriage, the concentrations increases by up to 0.04 mg/m3 in the passenger-breathing zone, and are inversely proportional to the air exchange rate. The greatest in-carriage PM2.5 concentration are found in the dinning carriage, with lower but similar levels found in other carriage classes. More rapid air turnover leads to slightly higher PM2.5 removal.


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  • Accession Number: 01481303
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 13 2013 9:26AM