Welcome to Environmental Protection Department Air Quality Health Index Website

The air quality monitoring network in Hong Kong operated by the Environmental Protection Department (EPD) comprises 18 fixed monitoring stations to meet the following objectives:

  1. To understand air pollution problems in order that cost-effective policies and solutions can be developed;
  2. To assess to what extent the standards and targets are being achieved or violated;
  3. To assist the assessment of public's exposure to air pollution;
  4. To provide public information on current and forecast air quality.

The network is designed and operated to meet the highest international standards. It is certified by the Hong Kong Laboratory Accreditation Scheme (HOKLAS) and has gained high regard from experts of overseas and the United Nations' Environmental Programme.


More air quality monitoring equipment

Monitoring Equipment

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Last revision date: 05:07 14-04-2024