Environmental Protection Department: Air Pollution Index - Lists air pollution index readings from monitoring stations around Hong Kong. Provides advice to the public, past records, trends and air quality reports.

• 环境保护部门：空气污染索引-从在香港附近监视车站的表空气污染索引读物。提供忠告给公众，经过记录，趋势和空气质量报告。