Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2018-06-21 09:0042.619.46.3472.222.79.8
2018-06-21 08:0035.422.95.7407.421.18.6
2018-06-21 07:0021.531.15.4371.919.27.6
2018-06-21 06:0014.933.76.3298.018.05.3
2018-06-21 05:0011.234.66.4300.716.73.2
2018-06-21 04:0011.935.06.3271.817.85.3
2018-06-21 03:0013.931.38.4292.518.55.3
2018-06-21 02:0018.628.08.1286.118.96.4
2018-06-21 01:0024.426.26.6325.718.36.2
2018-06-21 00:0028.525.35.7346.416.44.2
2018-06-20 23:0029.023.56.2346.721.28.8
2018-06-20 22:0030.923.05.2373.517.94.8
2018-06-20 21:0027.727.94.9396.915.32.7
2018-06-20 20:0032.022.24.9389.518.66.1
2018-06-20 19:0040.118.55.2404.421.16.8
2018-06-20 18:0036.624.16.0392.220.74.0
2018-06-20 17:0040.922.56.3417.124.17.0
2018-06-20 16:00----25.78.9
2018-06-20 15:00----23.53.4
2018-06-20 14:00----18.74.0
2018-06-20 13:00----23.811.2
2018-06-20 12:0028.737.65.1379.231.49.1
2018-06-20 11:0038.427.27.5375.131.28.9
2018-06-20 10:0035.726.96.3389.320.24.8
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:09:07 21-06-2018