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Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2017-11-22 09:0041.78.810.8747.152.124.1
2017-11-22 08:0037.96.711.1710.739.428.8
2017-11-22 07:0036.64.410.8648.753.528.0
2017-11-22 06:0037.14.510.8704.453.026.1
2017-11-22 05:0038.45.511.9710.854.926.0
2017-11-22 04:0038.95.513.5678.954.027.9
2017-11-22 03:0046.75.613.2708.558.829.9
2017-11-22 02:0048.15.713.4708.460.931.9
2017-11-22 01:0052.65.013.1754.864.939.7
2017-11-22 00:0055.44.312.6767.670.837.1
2017-11-21 23:0059.74.911.4773.170.040.9
2017-11-21 22:0064.17.910.4805.179.742.9
2017-11-21 21:0070.112.510.5803.771.344.9
2017-11-21 20:0075.416.510.0807.771.038.2
2017-11-21 19:0072.236.48.7738.275.839.9
2017-11-21 18:00104.032.77.1757.775.037.1
2017-11-21 17:0085.760.95.6697.876.036.0
2017-11-21 16:0077.459.65.3703.557.630.2
2017-11-21 15:0061.052.55.5681.051.226.1
2017-11-21 14:0048.739.06.0654.449.123.1
2017-11-21 13:0043.323.86.5700.647.123.0
2017-11-21 12:0038.816.56.5678.639.324.0
2017-11-21 11:0034.512.46.3665.936.118.2
2017-11-21 10:0025.911.36.0589.627.318.0
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:09:06 22-11-2017