Metadata Document


ISO-19139 Metadata

Metadata Information

Metadata character set: utf8
Last update:
Metadata contact:
Scope of the data described by the metadata: dataset
Scope name: dataset
Name of the metadata standard used: ISO 19139 Geographic Information - Metadata - Implementation Specification
Version of the metadata standard: 2007

Data Identification Information

Resource citation:
Descriptive keywords:
Keyword type not provided
Keywords: Hong Kong, Environment, Air Quality, AQHI, Air Quality Health Index, EPD, Realtime
Abstract: This data shows the Air Quality Health Index (AQHI) at individual general and roadside Air Quality Monitoring stations for the past 24 hours. It is made available by the Environment Protection Department under the Government of Hong Kong Special Administrative Region (the “Government”) at https://DATA.GOV.HK/ (“DATA.GOV.HK”). The source data is in XML web service and been processed and converted into Esri File Geodatabase format and then uploaded to Esri’s ArcGIS Online platform for sharing and reference purpose. The objectives are to facilitate our Hong Kong ArcGIS Online users to use the data in a spatial ready format and save their data conversion effort.
Purpose: This layer shows the Air Quality Health Index (AQHI) at individual general and roadside Air Quality Monitoring stations for the past 24 hours.
Dataset language:
Dataset character set: utf8