Welcome to Environmental Protection Department Air Quality Health Index Website


Sham Shui Po
Date TimeNO2O3SO2COPM10PM2.5
2021-06-21 06:0022.454.97.9-30.612.0
2021-06-21 05:0025.249.18.8-29.211.9
2021-06-21 04:00----27.415.1
2021-06-21 03:0019.150.67.9-24.816.2
2021-06-21 02:0022.244.08.1-25.015.8
2021-06-21 01:0029.739.48.4-27.815.4
2021-06-21 00:0032.640.58.3-30.012.9
2021-06-20 23:0035.043.38.5-31.112.2
2021-06-20 22:0033.647.47.3-30.413.5
2021-06-20 21:0028.942.97.7-28.112.2
2021-06-20 20:0033.740.57.9-25.911.1
2021-06-20 19:0026.847.77.8-26.110.1
2021-06-20 18:0030.149.27.7-26.110.2
2021-06-20 17:0027.262.18.5-28.312.7
2021-06-20 16:0023.069.78.5-29.913.4
2021-06-20 15:0022.773.98.3-26.811.1
2021-06-20 14:0021.078.38.0-26.512.0
2021-06-20 13:0020.976.48.0-25.914.7
2021-06-20 12:0025.370.78.3-23.311.6
2021-06-20 11:0027.465.88.0-21.79.6
2021-06-20 10:0029.058.18.1-23.07.7
2021-06-20 09:0026.953.97.6-27.87.5
2021-06-20 08:0028.246.27.2-27.37.8
2021-06-20 07:0021.651.46.6-23.010.5
Remarks:

(1) Time shown is in Hong Kong time.

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

(3) Concentration shown is in µg/m3.

(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: 06:07 21-06-2021