Welcome to Environmental Protection Department Air Quality Health Index Website


(At 2024-04-18 20:00)

North
Added Health Risk
(FAQs)
Contribution by each pollutant on the added health risk (percentage)
SO2 NO2 O3 PM
5.13 0.030 (1%) 2.931 (57%) 1.688 (33%) 0.482 (9%)
Remarks:

(1) Time shown is in Hong Kong time.

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

(3) Please visit <What's AQHI> about AQHI.

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

(5) 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.

Mobile Version | Desktop Version
Last revision date: 20:07 18-04-2024