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Hong Kong Air Pollutant Emission Inventory - Respirable Suspended Particulates

 Chart for 1997-2015 Respirable Suspended Particulates (RSP) Emissions

Legend for Respirable Suspended Particulates (RSP) Emissions Chart

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Relative Significance

Between 1997 and 2015, RSP emissions decreased by 69% which was mainly caused by a decline in emissions from the road transport, public electricity generation and biomass burning sectors.  Navigation, non-combustion and other combustion sectors were the top three sources of RSP emissions, accounting for 34%, 17% and 15% of total RSP emissions in 2015, respectively.

During the same period, RSP levels measured at the EPD's general air quality monitoring stations did not follow very closely with the RSP emission trend.  It indicated that the ambient RSP originates from both local and regional emission sources.

User review date: 
Tuesday, 16 June, 2015