Air quality is a major concern in Hong Kong, and the Government is undertaking a number of initiatives to improve it. The web site provides an overview of the problems and the solutions that are being put forward.

The Environmental Protection Department releases Air Quality Health Index (AQHI) information hourly to inform the public of the short-term health risk of air pollution in Hong Kong and helps the public take precautionary measures to protect their health.  Learn about how the AQHI works and what it can tell you about the short-term health risk of air pollution.

Cooperation between the governments of Hong Kong and Guangdong is working to ensure that regional pollution levels are brought under control. You can learn about their initiatives, including the establishment of an air quality monitoring network throughout the Pearl River Delta.

Pollution is a particular concern at the street level in the built-up urban areas of Hong Kong. You can find out more about them, the government's efforts in reducing their emissions and simple things that you can do to help.