Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
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
2017-11-22 10:0044.825.50.6-19.710.3
2017-11-22 09:0047.320.30.8-23.412.0
2017-11-22 08:0045.817.22.2-23.711.5
2017-11-22 07:0037.022.31.4-23.112.6
2017-11-22 06:0025.332.61.6-23.014.0
2017-11-22 05:0025.733.81.7-26.314.9
2017-11-22 04:0029.232.82.1-29.415.4
2017-11-22 03:0032.531.62.0-39.118.4
2017-11-22 02:0044.027.71.9-54.125.7
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.

Last revision date:01:06 23-11-2017