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Data Categories: Environment 

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Beach water quality

Latest information on beach water quality grading

Current Air Quality Health Index of individual Air Quality Monitoring stations

Current Air Quality Health Index (AQHI) at individual general and roadside Air Quality Monitoring stations

Current air quality health index range and forecast

Current range and forecast of Air Quality Health Index (AQHI) at general and roadside stations

Disposal records of C&D materials at Public Fill Reception Facilities API available

Disposal Records of Inert C & D Materials at Public Fill Reception Facilities from Public Works Contracts

Disposal records of C&D materials at Sorting Facilities API available

Disposal Records of C & D Materials at Sorting Facilities from Public Works Contracts

Historical River Water Quality Data (English Version)

River Water Quality data at different monitoring stations from 1986 to 2016 (English Version)

Historical River Water Quality Data (Simplified Chinese Version)

River Water Quality data at different monitoring stations from 1986 to 2016 (Simplified Chinese Version)

Historical River Water Quality Data (Traditional Chinese Version)

River Water Quality data at different monitoring stations from 1986 to 2016 (Traditional Chinese Version)

Past 24-hour Air Quality Health Index of individual Air Quality Monitoring stations

Air Quality Health Index (AQHI) at individual general and roadside Air Quality Monitoring stations for the past 24 hours

Past 24-hour Pollutant Concentration of individual Air Quality Monitoring stations

Pollutant Concentration at individual general and roadside Air Quality Monitoring stations for the past 24 hours

Past Record of Air Pollution Index (English Version)

Hourly Air Pollution Index (API) at different Air Quality Monitoring stations from July 1999 to December 2013 (English Version)

Past Record of Air Pollution Index (Traditional Chinese Version)

Hourly Air Pollution Index (API) at different Air Quality Monitoring stations from July 1999 to December 2013 (Traditional Chinese Version)

Past record of Air Quality Health Index (English Version) API available

Hourly Air Quality Health Index (AQHI) at different Air Quality Monitoring stations since 30 December 2013 (English Version)

Past record of Air Quality Health Index (Simplified Chinese Version)

Hourly Air Quality Health Index (AQHI) at different Air Quality Monitoring stations since 30 December 2013 (Simplified Chinese Version)

Past record of Air Quality Health Index (Traditional Chinese Version) API available

Hourly Air Quality Health Index (AQHI) at different Air Quality Monitoring stations since 30 December 2013 (Traditional Chinese Version)

Recent River Water Quality Data

Recent Dissolved Oxygen (DO) and bacteria (E. coli) data at downstream monitoring stations of major rivers from 06/2016 to 05/2018