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Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2017-11-23 10:0025.032.03.2-45.629.8
2017-11-23 09:0043.025.82.6-42.429.7
2017-11-23 08:0055.324.46.1-36.828.2
2017-11-23 07:0030.740.12.9-35.025.6
2017-11-23 06:0018.750.73.1-37.024.2
2017-11-23 05:0015.353.62.7-38.123.4
2017-11-23 04:0015.751.22.4-33.418.9
2017-11-23 03:0015.850.31.9-31.320.1
2017-11-23 02:0024.343.11.7-37.622.3
2017-11-23 01:0033.037.01.4-39.121.7
2017-11-23 00:0042.028.21.1-34.717.6
2017-11-22 23:0036.232.71.6-37.115.5
2017-11-22 22:0036.536.62.1-47.516.7
2017-11-22 21:0045.535.72.5-55.117.7
2017-11-22 20:0057.030.53.3-57.821.0
2017-11-22 19:0062.734.92.5-59.022.5
2017-11-22 18:0076.340.83.3-61.224.6
2017-11-22 17:0073.650.24.1-63.723.3
2017-11-22 16:0071.767.03.1-62.325.9
2017-11-22 15:0065.498.92.4-48.920.2
2017-11-22 14:0057.698.51.9-32.012.7
2017-11-22 13:0054.260.31.1-27.016.5
2017-11-22 12:0048.739.80.7-21.614.3
2017-11-22 11:0044.231.20.7-16.49.8
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:10:06 23-11-2017