Articles | Volume 17, issue 24
https://doi.org/10.5194/acp-17-15121-2017
https://doi.org/10.5194/acp-17-15121-2017
Research article
 | 
21 Dec 2017
Research article |  | 21 Dec 2017

Evaluation of traffic exhaust contributions to ambient carbonaceous submicron particulate matter in an urban roadside environment in Hong Kong

Berto Paul Lee, Peter Kwok Keung Louie, Connie Luk, and Chak Keung Chan

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Short summary
Road traffic is an important source of air pollution. This study investigates the relationship between traffic-related airborne carbonaceous particles and the composition of traffic to reveal how emissions from different vehicle types affect ambient air quality. On average, LPG vehicles showed very small contributions, while gasoline- and diesel-powered vehicles emitted similar total amounts of carbon-containing particles but with differences in chemical composition.
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