Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2019-11-23 09:0037.031.32.7371.616.912.7
2019-11-23 08:0041.019.12.5367.517.313.1
2019-11-23 07:0039.415.22.7381.715.111.2
2019-11-23 06:0034.917.32.1352.816.112.7
2019-11-23 05:0036.718.62.6364.514.711.5
2019-11-23 04:0034.024.82.8352.815.111.3
2019-11-23 03:0031.540.13.0350.015.511.6
2019-11-23 02:0033.035.92.7333.714.910.8
2019-11-23 01:00----13.58.4
2019-11-23 00:0026.477.83.2314.913.88.7
2019-11-22 23:007.398.23.1302.913.59.5
2019-11-22 22:0015.387.53.4313.218.411.7
2019-11-22 21:0059.445.23.9412.732.020.9
2019-11-22 20:0086.724.64.6508.139.426.7
2019-11-22 19:00100.618.85.5523.748.729.4
2019-11-22 18:0096.461.36.8527.055.029.7
2019-11-22 17:0093.0116.18.8521.061.732.0
2019-11-22 16:0092.9119.29.7503.866.534.4
2019-11-22 15:0087.3121.411.8577.370.234.4
2019-11-22 14:0096.2107.011.4647.676.037.5
2019-11-22 13:00103.571.712.5700.059.828.1
2019-11-22 12:0080.648.710.3518.844.222.4
2019-11-22 11:0062.847.78.9469.238.820.6
2019-11-22 10:0035.344.48.4462.137.321.9
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:09:07 23-11-2019