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Data & Statistics

Past Air Quality Monitoring Data

Past 24 Hours Pollutant Concentration (NO2, O3, SO2, CO, PM10/RSP, PM2.5/FSP)

Past AQHI Records

Air Quality Statistics

Hong Kong Air Pollutant Emission Inventory

Phasing Out of Ozone Depleting Substances in Hong Kong

Risk Management of Potentially Hazardous Installations

Summary of Ambient Dioxins levels in Hong Kong

Summary of Airborne Species Concentration Derived from Respirable Suspended Particulates (RSP)

Hong Kong Greenhouse GasĀ Inventories

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26 May 2021