Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2019-08-18 04:0029.923.13.0452.214.16.0
2019-08-18 03:0026.422.72.6445.115.97.9
2019-08-18 02:0025.521.82.6455.617.97.0
2019-08-18 01:0038.710.63.2459.411.28.0
2019-08-18 00:0032.316.13.3466.713.97.0
2019-08-17 23:0029.418.42.8468.110.17.0
2019-08-17 22:0035.312.63.3537.920.69.9
2019-08-17 21:0039.79.73.5579.512.3-
2019-08-17 20:0039.211.23.2588.016.89.1
2019-08-17 19:0053.55.53.9576.816.09.0
2019-08-17 18:0051.29.33.6571.715.010.0
2019-08-17 17:0037.027.84.4554.622.711.0
2019-08-17 16:0041.240.13.6527.124.011.0
2019-08-17 15:0039.351.13.3539.713.411.0
2019-08-17 14:0035.341.13.5549.914.07.1
2019-08-17 13:0029.640.03.0526.221.79.9
2019-08-17 12:0042.535.710.2566.225.913.9
2019-08-17 11:0045.534.69.1553.129.913.0
2019-08-17 10:0035.136.55.4569.326.111.1
2019-08-17 09:0045.218.414.9570.617.38.1
2019-08-17 08:0042.914.02.9557.417.09.0
2019-08-17 07:0043.412.72.9548.417.06.1
2019-08-17 06:0029.223.42.7510.624.74.1
2019-08-17 05:0027.123.22.8494.920.26.9
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:04:07 18-08-2019