Author(s)

L.Y. Chan, Y. Qin & C.Y. Chan

Abstract

Vehicular emission is the dominate air pollution source in Hong Kong. Commuters are exposed to vehicular emission during their daily commuting trips. Hong Kong has a convenience public transport system comprising buses, subway, railway, tram, taxis and ferry. This system overall carries just over 10 million passenger trips per day. A survey on public transport exposure of commuters and pedestrians has been conducted in commercial districts of Hong Kong. The exposures were surveyed according to different commuting traffic modes. 1 bus route, 3 lines of Mass transit Railway, 1 tram routes and 19 fix points set up on roadside pavement in two commercial districts were monitored in the survey. Four criteria pollutants, CO, NO% , Og and THC

Keywords