Past 24 Hours Pollutant Concentration Summary

Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2019-05-20 02:0040.113.93.2925.621.310.8
2019-05-20 01:0052.26.83.0855.926.215.5
2019-05-20 00:0051.69.23.0851.323.412.5
2019-05-19 23:0059.410.23.4863.624.613.5
2019-05-19 22:0061.68.83.9898.226.414.7
2019-05-19 21:0061.98.54.3940.825.513.4
2019-05-19 20:0058.310.53.5936.123.811.9
2019-05-19 19:0080.08.05.1963.824.213.2
2019-05-19 18:0073.311.44.6924.325.614.3
2019-05-19 17:0071.920.23.7934.526.014.6
2019-05-19 16:00103.015.45.9909.429.217.7
2019-05-19 15:0087.924.44.5837.131.019.8
2019-05-19 14:00121.017.76.6908.128.816.8
2019-05-19 13:0058.433.22.7839.930.918.4
2019-05-19 12:0078.127.43.3876.931.118.0
2019-05-19 11:0070.426.22.9922.731.918.3
2019-05-19 10:0066.922.93.2881.830.517.1
2019-05-19 09:0062.218.62.7837.228.916.7
2019-05-19 08:0043.729.42.0766.027.816.4
2019-05-19 07:0036.934.21.6789.023.513.1
2019-05-19 06:0036.527.22.4758.122.011.8
2019-05-19 05:0028.731.02.1839.122.212.1
2019-05-19 04:0038.121.93.1798.222.513.8
2019-05-19 03:0038.421.22.2989.220.411.0
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:02:07 20-05-2019