Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2018-10-20 15:0095.356.96.2636.050.227.4
2018-10-20 14:0085.463.95.9600.442.923.9
2018-10-20 13:0069.873.16.2572.038.419.4
2018-10-20 12:0087.952.06.6619.741.122.4
2018-10-20 11:0081.650.36.9607.527.913.2
2018-10-20 10:0064.355.45.6543.521.09.2
2018-10-20 09:0070.349.45.8511.419.49.1
2018-10-20 08:0048.966.34.9480.618.87.8
2018-10-20 07:0022.682.14.7475.824.111.2
2018-10-20 06:0019.387.14.7485.929.815.1
2018-10-20 05:0028.980.64.7509.030.614.7
2018-10-20 04:0031.380.34.6505.329.414.6
2018-10-20 03:0030.086.44.3519.724.311.8
2018-10-20 02:0038.683.94.7514.528.214.3
2018-10-20 01:0041.586.54.8504.328.613.8
2018-10-20 00:0053.382.05.0544.525.511.3
2018-10-19 23:0052.078.45.7573.026.110.1
2018-10-19 22:0056.875.15.0604.229.012.9
2018-10-19 21:0067.064.05.9624.222.99.0
2018-10-19 20:0096.246.16.5685.035.117.9
2018-10-19 19:00114.545.66.2679.431.512.4
2018-10-19 18:00125.243.47.3709.7--
2018-10-19 17:00103.850.76.4688.8--
2018-10-19 16:0090.358.26.2656.7--
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:15:07 20-10-2018