Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2018-02-23 04:004.625.02.2921.16.1-
2018-02-23 03:004.624.83.2943.57.03.1
2018-02-23 02:006.523.43.3959.77.04.0
2018-02-23 01:0011.520.33.3991.97.05.9
2018-02-23 00:0011.822.43.3993.89.97.0
2018-02-22 23:0012.921.63.41,015.812.96.0
2018-02-22 22:0013.820.23.41,047.314.07.0
2018-02-22 21:0012.022.73.41,053.07.2-
2018-02-22 20:0014.722.63.21,063.78.0-
2018-02-22 19:0014.823.83.41,055.09.99.9
2018-02-22 18:0019.121.13.51,063.111.910.0
2018-02-22 17:0017.721.23.61,055.813.98.1
2018-02-22 16:0022.915.74.11,113.516.99.9
2018-02-22 15:0015.019.73.71,056.810.210.0
2018-02-22 14:0013.120.53.61,047.214.811.9
2018-02-22 13:0014.519.13.71,035.113.110.1
2018-02-22 12:0018.114.33.81,035.212.010.0
2018-02-22 11:0020.612.53.91,060.112.0-
2018-02-22 10:0021.911.33.91,057.88.1-
2018-02-22 09:0019.310.83.81,053.914.811.0
2018-02-22 08:0018.619.03.61,011.127.623.6
2018-02-22 07:0012.149.43.5767.739.624.0
2018-02-22 06:005.660.83.6764.935.219.2
2018-02-22 05:003.063.83.7775.433.120.9
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.

Last revision date:04:05 23-02-2018