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Data Categories: Environment 

Formats: CSV 

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Historical Marine Water Quality Data (English Version)

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

Historical Marine Water Quality Data (Simplified Chinese Version)

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

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 (English Version)

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

Historical River Water Quality Data (Simplified Chinese Version)

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

Historical River Water Quality Data (Traditional Chinese Version)

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

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 Marine Water Quality Data

Recent Dissolved Oxygen (DO) and bacteria (E.coli) data at different Marine Water Quality Monitoring stations from 10/2016 to 10/2018

Recent River Water Quality Data

Recent Dissolved Oxygen (DO) and bacteria (E. coli) data at downstream monitoring stations of major rivers from 12/2016 to 11/2018

Update of Red Tide Situation API available

Information of red tide sighted in Hong Kong waters

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.