Past 24 Hours Pollutant Concentration Summary

Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2019-07-21 03:0053.016.21.0823.510.78.4
2019-07-21 02:0064.311.81.5722.211.29.8
2019-07-21 01:0094.33.12.4786.09.98.9
2019-07-21 00:0087.47.02.2780.19.48.1
2019-07-20 23:0084.65.92.71,023.914.412.2
2019-07-20 22:0083.14.53.1840.315.512.8
2019-07-20 21:0085.91.33.4809.123.418.7
2019-07-20 20:0097.30.45.21,063.224.017.8
2019-07-20 19:00101.51.04.61,118.323.818.6
2019-07-20 18:0099.52.04.1848.624.717.9
2019-07-20 17:00150.10.713.81,018.833.223.9
2019-07-20 16:00120.01.15.2996.523.918.1
2019-07-20 15:00108.71.33.8949.421.816.2
2019-07-20 14:0099.42.12.4794.826.417.4
2019-07-20 13:0071.710.91.9676.929.418.0
2019-07-20 12:0068.616.31.9632.128.316.5
2019-07-20 11:0070.414.02.3630.430.818.1
2019-07-20 10:0076.36.52.6726.029.616.7
2019-07-20 09:0068.39.61.6615.930.018.1
2019-07-20 08:0066.16.72.3625.026.814.7
2019-07-20 07:0055.13.81.3625.525.713.2
2019-07-20 06:0043.39.20.5674.719.711.9
2019-07-20 05:0037.815.50.5593.820.411.9
2019-07-20 04:0042.817.11.0690.622.213.5
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:03:07 21-07-2019