Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2019-05-20 02:004.949.64.6434.118.36.7
2019-05-20 01:004.851.04.5471.520.19.0
2019-05-20 00:006.749.34.4474.221.210.2
2019-05-19 23:008.047.54.5463.118.97.3
2019-05-19 22:0012.740.54.7435.720.58.6
2019-05-19 21:0011.144.14.7443.120.28.4
2019-05-19 20:008.749.74.5460.119.07.3
2019-05-19 19:006.155.44.8462.320.08.9
2019-05-19 18:004.160.84.5477.119.78.7
2019-05-19 17:006.462.14.7482.223.111.9
2019-05-19 16:006.465.24.6505.220.910.0
2019-05-19 15:008.364.14.9526.022.111.7
2019-05-19 14:005.470.24.5523.520.410.8
2019-05-19 13:007.567.24.7528.222.012.0
2019-05-19 12:0011.362.84.6521.721.410.3
2019-05-19 11:0015.159.94.6529.722.011.7
2019-05-19 10:0011.463.94.6472.423.413.9
2019-05-19 09:0011.659.14.5445.222.112.5
2019-05-19 08:0012.654.04.7430.921.311.1
2019-05-19 07:0015.052.54.5470.420.39.9
2019-05-19 06:005.863.54.4447.719.58.8
2019-05-19 05:002.466.04.3450.416.96.5
2019-05-19 04:001.865.54.5407.319.39.5
2019-05-19 03:001.363.94.5378.720.610.1
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:02:07 20-05-2019