Welcome to Environmental Protection Department Air Quality Health Index Website


(At 2024-04-30 08:00)

Mong Kok
Added Health Risk
(FAQs)
Contribution by each pollutant on the added health risk (percentage)
SO2 NO2 O3 PM
2.98 0.070 (2%) 1.699 (57%) 0.796 (27%) 0.417 (14%)
Remarks:

(1) Time shown is in Hong Kong time.

(2) The total percentage may not be equal to 100% due to rounding.

(3) Abbreviation:
SO2 - sulphur dioxide, NO2 - nitrogen dioxide, O3 - ozone,
PM – respirable suspended particulates (PM10) or fine suspended particulates (PM2.5), whichever poses a higher health risk.

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

Last revision date: 08:08 30-04-2024