Data Providers

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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

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

Waste Less - Recyclable Collection Points Data API available

“Waste Less” is a mobile app developed by the Environmental Protection Department (EPD) of the Government of the Hong Kong Special Administrative Region. Its database stores the location and details of various recyclable collection points all over Hong Kong.

Beach Water Quality Grading

Latest information on beach water quality grading

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

Current air quality health index range and forecast

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

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)

Historical River Water Quality Data (English Version)

River Water Quality data at different monitoring stations from 1986 to 2017 (English Version)

Historical Beach Water Quality Data (Simplified Chinese Version)

Beach Water Quality data from 1986 to 2017 (Simplified Chinese Version)

Recent River Water Quality Data

Recent Dissolved Oxygen (DO) and bacteria (E. coli) data at downstream monitoring stations of major rivers from 03/2017 to 02/2019

Historical E. coli levels in Victoria Harbour from Central/Wan Chai to Siu Sai Wan since 2004

E. coli levels in Victoria Harbour from Central/Wan Chai to Siu Sai Wan from 2004 to 2019

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)

Historical Marine Water Quality Data (English Version)

Marine Water Quality data at different Marine Water Quality Monitoring stations from 1986 to 2017 (English Version)

Recent E. coli levels in Victoria Harbour from Central/Wan Chai to Siu Sai Wan

Recent E. coli levels in Victoria Harbour from Central/Wan Chai to Siu Sai Wan from 01/2010 to 02/2019

Recent Marine Water Quality Data

Recent Dissolved Oxygen (DO) and bacteria (E.coli) data at different Marine Water Quality Monitoring stations from 02/2017 to 01/2019

Historical Marine Water Quality Data (Traditional Chinese Version)

Marine Water Quality data at different Marine Water Quality Monitoring stations from 1986 to 2017 (Traditional Chinese Version)

Historical River Water Quality Data (Simplified Chinese Version)

River Water Quality data at different monitoring stations from 1986 to 2017 (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)