Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2018-10-20 17:0037.8100.41.5-44.924.1
2018-10-20 16:0035.9103.12.2-46.824.8
2018-10-20 15:0037.4101.22.3-46.925.7
2018-10-20 14:0039.697.22.1-41.123.6
2018-10-20 13:0039.397.22.9-45.526.4
2018-10-20 12:0042.585.03.1-43.225.1
2018-10-20 11:0045.572.86.3-36.523.3
2018-10-20 10:0031.177.63.4-30.520.0
2018-10-20 09:0026.776.23.7-27.918.8
2018-10-20 08:0019.382.93.1-28.617.0
2018-10-20 07:0013.189.53.0-31.919.3
2018-10-20 06:0013.189.83.2-35.420.7
2018-10-20 05:0013.192.03.2-34.020.2
2018-10-20 04:0012.895.22.7-33.319.1
2018-10-20 03:0011.899.42.7-37.624.6
2018-10-20 02:0014.8101.32.8-36.223.7
2018-10-20 01:0017.2103.63.0-31.820.0
2018-10-20 00:0019.4105.63.2-30.918.4
2018-10-19 23:0025.598.43.9-35.422.2
2018-10-19 22:0022.4100.42.9-33.320.2
2018-10-19 21:0032.088.43.5-31.119.0
2018-10-19 20:0039.086.73.5-36.420.9
2018-10-19 19:0043.392.72.8-38.321.5
2018-10-19 18:0044.393.33.8-37.422.5
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:17:07 20-10-2018