Welcome to Environmental Protection Department Air Quality Health Index Website


(1) Time shown is in Hong Kong time.

(2) The AQHI information is based on real time data taken directly from EPD's Air Quality Monitoring Network.

(3) Owing to temporary suspension of electricity supply, the operation of Tap Mun general air quality monitoring station will be temporarily suspended on 2 March 2021. We apologize for any inconvenience caused.

Last revision date: 03:07 27-02-2021