Welcome to Environmental Protection Department Air Quality Health Index Website

(At 2024-05-28 04:00)

Tung Chung
Added Health Risk
Contribution by each pollutant on the added health risk (percentage)
3.05 0.013 (0%) 1.815 (60%) 0.867 (28%) 0.353 (12%)

(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.

(5) Owing to maintenance works, the operation of Eastern Air Quality Monitoring Station will be temporarily suspended.  We apologize for any inconvenience caused.

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Last revision date: 04:07 28-05-2024