Welcome to Environmental Protection Department Air Quality Health Index Website


Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2024-05-21 13:0020.959.61.1-4.53.4
2024-05-21 12:0032.147.61.3-3.32.4
2024-05-21 11:0044.732.01.4-3.91.8
2024-05-21 10:0014.563.01.5-8.64.2
2024-05-21 09:0032.145.51.6-6.63.3
2024-05-21 08:0035.839.41.7-5.02.3
2024-05-21 07:0029.044.81.3-4.40.9
2024-05-21 06:0014.862.21.5-2.80.8
2024-05-21 05:0011.373.32.2-2.31.5
2024-05-21 04:00----2.01.2
2024-05-21 03:0015.161.71.3-1.1-
2024-05-21 02:0016.662.51.1-0.60.6
2024-05-21 01:0019.662.31.1-0.60.4
2024-05-21 00:0024.162.11.1-1.31.0
2024-05-20 23:0019.069.41.1-2.5-
2024-05-20 22:0023.867.31.1-2.4-
2024-05-20 21:0031.458.31.2-7.65.4
2024-05-20 20:0038.747.11.4-4.33.5
2024-05-20 19:0020.969.91.4-4.54.0
2024-05-20 18:0024.870.81.2-6.25.1
2024-05-20 17:0035.261.91.2-6.74.6
2024-05-20 16:0032.461.41.3-8.45.6
2024-05-20 15:0018.081.51.1-4.32.5
2024-05-20 14:0016.782.21.1-4.33.1
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

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

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Last revision date: 13:07 21-05-2024