Welcome to Environmental Protection Department Air Quality Health Index Website


Sham Shui Po
Date TimeNO2O3SO2COPM10PM2.5
2024-05-21 14:0058.631.52.6-13.08.8
2024-05-21 13:0059.926.52.6-16.010.2
2024-05-21 12:0071.514.72.5-12.89.3
2024-05-21 11:0067.716.22.6-15.110.3
2024-05-21 10:0058.025.43.0-13.87.1
2024-05-21 09:0057.223.23.3-10.36.1
2024-05-21 08:0042.832.13.0-8.04.2
2024-05-21 07:0031.339.32.5-8.43.2
2024-05-21 06:0019.850.82.2-5.61.4
2024-05-21 05:0015.858.72.1-4.42.9
2024-05-21 04:0018.756.82.2-7.75.8
2024-05-21 03:0014.962.32.0-5.74.7
2024-05-21 02:0020.256.71.8-5.0-
2024-05-21 01:0027.552.81.8-5.2-
2024-05-21 00:0031.753.72.1-5.3-
2024-05-20 23:0032.053.52.2-5.0-
2024-05-20 22:0034.152.92.2-6.25.6
2024-05-20 21:0041.349.02.2-9.27.3
2024-05-20 20:0056.032.82.6-13.39.7
2024-05-20 19:0051.938.72.8-14.711.6
2024-05-20 18:0061.935.72.9-10.16.8
2024-05-20 17:0054.743.52.9-14.310.3
2024-05-20 16:0059.533.22.6-15.710.4
2024-05-20 15:0057.739.92.7-13.79.3
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: 14:07 21-05-2024