Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2020-01-19 20:0047.624.84.2-59.438.6
2020-01-19 19:0063.621.64.9-58.936.7
2020-01-19 18:0069.121.45.0-54.829.3
2020-01-19 17:0068.327.45.5-52.330.2
2020-01-19 16:0049.345.94.8-38.033.0
2020-01-19 15:0050.139.44.8-29.727.2
2020-01-19 14:0046.344.25.0-37.822.0
2020-01-19 13:0038.853.64.5-25.318.3
2020-01-19 12:0030.748.14.5-27.321.9
2020-01-19 11:0026.946.24.2-41.723.6
2020-01-19 10:0034.837.94.0-27.121.4
2020-01-19 09:0036.335.43.9-17.717.3
2020-01-19 08:0048.434.23.8-24.312.6
2020-01-19 07:0027.760.53.4-16.512.8
2020-01-19 06:0019.568.93.3-13.610.7
2020-01-19 05:0015.777.43.5-19.812.8
2020-01-19 04:0018.876.94.1-12.212.2
2020-01-19 03:0018.277.83.5-13.713.5
2020-01-19 02:0024.871.53.3-20.213.2
2020-01-19 01:0032.065.83.4-12.7-
2020-01-19 00:0040.557.53.5-14.513.8
2020-01-18 23:0035.663.03.5-23.513.2
2020-01-18 22:0038.760.93.5-14.0-
2020-01-18 21:0032.864.13.4-11.2-
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:20:07 19-01-2020