Welcome to Environmental Protection Department Air Quality Health Index Website

Added Health Risk Summary

(At 2024-04-24 03:00)

General Stations
Central/Western Southern Eastern Kwun Tong Sham Shui Po Kwai Chung Tsuen Wan Tseung Kwan O Yuen Long Tuen Mun Tung Chung Tai Po Sha Tin North Tap Mun
Roadside Stations
Causeway Bay Central Mong Kok
Tuen Mun
Added Health Risk
(FAQs) 		Contribution by each pollutant on the added health risk (percentage)
SO2 NO2 O3 PM
4.40 0.048 (1%) 1.791 (41%) 2.020 (46%) 0.538 (12%)
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) For more information on the Air Quality Health Index and Added Health Risk, please visit <What's AQHI>.

(5) The AQHI information is based on real time data taken directly from EPD's Air Quality Monitoring Network.
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Last revision date： 03:07 24-04-2024