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Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-01-23 00:0059.12.73.5642.254.843.1
2021-01-22 23:0061.63.13.5641.450.040.2
2021-01-22 22:0060.25.63.5626.448.739.2
2021-01-22 21:0060.415.73.1547.743.235.5
2021-01-22 20:0068.015.33.4566.044.537.5
2021-01-22 19:0073.934.04.0558.643.536.7
2021-01-22 18:0071.439.24.5523.642.534.4
2021-01-22 17:0076.831.76.8496.924.217.6
2021-01-22 16:0039.652.35.9382.016.611.5
2021-01-22 15:0034.353.35.3401.938.926.5
2021-01-22 14:0057.557.37.7521.452.038.9
2021-01-22 13:0065.459.010.4614.358.445.6
2021-01-22 12:0059.645.512.3577.855.044.0
2021-01-22 11:0059.035.311.8641.053.343.7
2021-01-22 10:0061.420.77.3648.753.442.4
2021-01-22 09:0060.56.15.3699.151.239.2
2021-01-22 08:0058.02.64.7703.249.837.9
2021-01-22 07:0056.31.74.3674.147.735.1
2021-01-22 06:0057.41.54.2646.049.735.8
2021-01-22 05:0057.42.33.9650.453.640.8
2021-01-22 04:0057.23.83.8644.457.143.7
2021-01-22 03:0059.93.64.2667.066.551.2
2021-01-22 02:0064.65.74.4675.869.953.6
2021-01-22 01:00----85.064.7
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 23-01-2021