Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2018-02-19 11:0072.324.911.9-40.224.3
2018-02-19 10:0057.635.28.6-32.619.9
2018-02-19 09:0040.848.07.8-25.416.5
2018-02-19 08:0033.953.07.8-24.516.6
2018-02-19 07:0043.843.19.1-26.219.0
2018-02-19 06:0038.646.88.7-25.317.4
2018-02-19 05:0057.331.111.5-35.924.1
2018-02-19 04:0091.70.014.7-39.124.4
2018-02-19 03:0060.221.28.3-26.918.5
2018-02-19 02:0021.666.06.0-24.317.4
2018-02-19 01:0034.353.96.1-24.317.4
2018-02-19 00:0024.866.26.1-21.015.8
2018-02-18 23:0030.661.56.5-26.719.2
2018-02-18 22:0036.960.37.2-33.523.5
2018-02-18 21:0029.967.46.8-33.822.5
2018-02-18 20:0044.655.07.0-37.426.7
2018-02-18 19:0070.026.27.1-31.821.6
2018-02-18 18:0033.061.16.6-31.020.8
2018-02-18 17:0035.960.36.6-36.124.1
2018-02-18 16:0024.173.07.1-35.723.1
2018-02-18 15:0018.676.97.1-36.023.7
2018-02-18 14:0020.773.27.3-36.224.3
2018-02-18 13:0019.773.67.2-37.124.6
2018-02-18 12:0022.067.37.4-36.724.1
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:11:05 19-02-2018