Welcome to Environmental Protection Department Air Quality Health Index Website


Sham Shui Po
Date TimeNO2O3SO2COPM10PM2.5
2023-03-21 00:0035.957.51.1-35.814.3
2023-03-20 23:0047.652.11.0-41.416.4
2023-03-20 22:0047.659.40.9-53.922.7
2023-03-20 21:0059.752.11.2-55.817.4
2023-03-20 20:0065.349.10.9-43.212.5
2023-03-20 19:0072.444.10.9-31.513.1
2023-03-20 18:0059.757.71.0-30.313.2
2023-03-20 17:0056.562.72.1-31.314.3
2023-03-20 16:00------
2023-03-20 15:00------
2023-03-20 14:00------
2023-03-20 13:00------
2023-03-20 12:0073.339.11.2-54.219.5
2023-03-20 11:0064.043.61.5-43.516.3
2023-03-20 10:0066.040.51.5-28.113.5
2023-03-20 09:0069.836.01.6-20.813.2
2023-03-20 08:0052.746.71.4-21.413.8
2023-03-20 07:0030.668.10.8-14.49.2
2023-03-20 06:0019.378.10.5-3.4-
2023-03-20 05:0014.680.90.6-1.81.6
2023-03-20 04:0015.881.50.6-3.63.5
2023-03-20 03:0015.084.80.5-5.75.0
2023-03-20 02:0021.677.00.3-7.02.2
2023-03-20 01:0028.771.10.2-6.12.1
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: 00:07 21-03-2023