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Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2017-11-24 18:0073.534.59.0647.741.927.0
2017-11-24 17:0054.955.49.4586.340.426.4
2017-11-24 16:0064.858.49.6622.649.332.6
2017-11-24 15:0057.968.09.5619.646.231.7
2017-11-24 14:0044.670.810.2587.143.330.3
2017-11-24 13:0046.162.910.7589.347.832.8
2017-11-24 12:0047.556.611.8609.552.134.2
2017-11-24 11:00----57.438.7
2017-11-24 10:00----57.641.6
2017-11-24 09:0056.031.713.0620.854.940.2
2017-11-24 08:0044.041.413.4566.655.340.9
2017-11-24 07:0033.448.513.4523.050.136.1
2017-11-24 06:0018.159.512.9496.046.533.6
2017-11-24 05:0014.460.511.8485.044.632.1
2017-11-24 04:0017.657.111.5502.450.739.7
2017-11-24 03:0017.753.412.2507.348.435.9
2017-11-24 02:0021.453.412.0517.350.438.9
2017-11-24 01:0035.242.812.5540.453.540.2
2017-11-24 00:0049.531.412.4628.055.640.3
2017-11-23 23:0053.228.712.1583.157.341.9
2017-11-23 22:0058.231.311.9609.554.539.6
2017-11-23 21:0055.339.512.0603.358.042.3
2017-11-23 20:0080.126.512.1686.058.738.9
2017-11-23 19:0086.132.912.7680.460.136.4
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:18:06 24-11-2017