Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2017-11-22 09:0074.97.25.9-22.717.1
2017-11-22 08:0060.87.74.6-19.414.2
2017-11-22 07:0051.68.74.1-25.217.1
2017-11-22 06:0034.620.23.1-22.615.0
2017-11-22 05:0034.520.43.8-23.214.5
2017-11-22 04:0032.921.84.7-24.715.7
2017-11-22 03:0039.819.53.2-26.016.0
2017-11-22 02:0039.123.43.4-27.815.5
2017-11-22 01:0055.315.54.2-31.016.8
2017-11-22 00:0072.68.46.6-42.822.6
2017-11-21 23:0076.66.47.8-59.730.0
2017-11-21 22:0093.95.78.3-64.532.7
2017-11-21 21:00103.76.07.5-63.832.6
2017-11-21 20:0097.825.15.0-53.227.9
2017-11-21 19:0065.250.61.5-40.019.2
2017-11-21 18:0059.951.71.8-38.716.5
2017-11-21 17:0064.145.92.0-31.0-
2017-11-21 16:0059.046.62.7-24.314.1
2017-11-21 15:0044.047.72.4-19.712.9
2017-11-21 14:0037.444.32.2-15.08.9
2017-11-21 13:0039.930.82.9-14.18.1
2017-11-21 12:0047.917.93.0-15.69.7
2017-11-21 11:0045.514.53.2-16.613.4
2017-11-21 10:0041.210.93.3-18.07.9
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:09:06 22-11-2017