The Air Pollution Index was replaced by the Air Quality Health Index on December 30, 2013. This page will not be updated until further notice.
|Air Pollution Levels|
The following shows the air pollution levels across Hong Kong, subdivided according to the types of pollutants and duration laid down here. Please click here for the calculations involved. Note that the values in the "index" column may not equal the true index shown in official pages due to rounding errors. Graphs for the concentrations of pollutants are shown on the right.
Data as of HKT
Pollutant concentration (microgram / cubic metre)
Last Accessed: Sun Oct 01 2023 14:10:44 HKT
Last Modified: Mon Dec 30 2013