Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2018-12-19 16:00121.147.67.1660.467.234.6
2018-12-19 15:00118.044.57.4-64.333.3
2018-12-19 14:00102.853.57.4-65.734.5
2018-12-19 13:00109.441.98.5-83.047.2
2018-12-19 12:00113.236.78.1-70.629.7
2018-12-19 11:00105.037.97.5847.262.023.6
2018-12-19 10:00101.934.47.4821.760.326.5
2018-12-19 09:00103.728.48.0781.670.826.3
2018-12-19 08:0077.242.66.7707.760.223.1
2018-12-19 07:0043.186.66.0654.257.722.5
2018-12-19 06:0029.996.86.0645.759.325.1
2018-12-19 05:0026.8101.06.0636.068.033.1
2018-12-19 04:0039.394.56.2662.062.328.7
2018-12-19 03:0035.696.56.7619.563.024.6
2018-12-19 02:0033.7103.26.9621.360.524.9
2018-12-19 01:0062.384.77.1691.260.225.2
2018-12-19 00:0072.779.77.1713.556.923.5
2018-12-18 23:0074.374.16.7694.353.822.0
2018-12-18 22:0074.775.56.3760.052.119.7
2018-12-18 21:0091.964.47.1806.458.925.4
2018-12-18 20:00117.052.98.7879.756.825.2
2018-12-18 19:00151.330.410.6880.654.225.1
2018-12-18 18:00142.638.810.8815.3--
2018-12-18 17:00130.245.49.8831.5--
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:16:07 19-12-2018