Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2018-12-10 08:0035.61.64.9-26.417.2
2018-12-10 07:0034.11.28.4-27.319.6
2018-12-10 06:0033.11.35.9-20.814.3
2018-12-10 05:0034.11.36.6-28.919.8
2018-12-10 04:0045.21.410.4-29.819.3
2018-12-10 03:0041.01.47.8-29.419.7
2018-12-10 02:0045.51.310.9-31.719.9
2018-12-10 01:0050.01.415.6-32.421.8
2018-12-10 00:0047.41.616.4-29.819.2
2018-12-09 23:0044.31.613.0-21.011.1
2018-12-09 22:0051.31.64.4-24.416.3
2018-12-09 21:0052.42.83.5-26.316.2
2018-12-09 20:0049.01.64.2-29.115.1
2018-12-09 19:0048.01.74.8-31.015.7
2018-12-09 18:0048.72.13.7-31.015.5
2018-12-09 17:0044.83.27.3-33.218.3
2018-12-09 16:0041.85.85.0-35.221.1
2018-12-09 15:0042.76.110.9-33.221.3
2018-12-09 14:0038.56.411.5-25.916.5
2018-12-09 13:0038.111.88.1-21.415.2
2018-12-09 12:0037.616.33.9-29.221.2
2018-12-09 11:0039.29.04.2-29.720.8
2018-12-09 10:0037.77.64.1-28.318.7
2018-12-09 09:0035.66.34.1-27.418.7
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:08:07 10-12-2018