简介:Takingpublictransitfacilities(PTFs)isthemajortransportstyleinHongKong.Humanexposuretoindoorairpollutantsmaycauseadversehealtheffectstothepassengers.Exposureassessmentonairpollutantsisimportantforthecontrolofhumandiseasescausedbyindoorairpollution.Inthispaper,theindoorPM10,COandCO2levelsinvariousPTFs,suchaspublicbus,subway,railwayandferryinHongKong,weremea-sured.CombiningwiththetimebudgetsurveyofHongKongpopulation,thehumanexposureswerecalculatedthroughMonte-Carlosimulation.