Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2023-03-29 02:0011.7100.82.9356.510.67.0
2023-03-29 01:00----16.89.5
2023-03-29 00:0028.781.71.1403.126.116.1
2023-03-28 23:0033.671.71.6477.328.918.3
2023-03-28 22:0036.264.11.7495.933.023.1
2023-03-28 21:0038.452.51.7548.533.025.9
2023-03-28 20:0038.147.51.6536.628.221.2
2023-03-28 19:0052.154.11.7570.222.716.6
2023-03-28 18:0049.845.81.7511.624.518.2
2023-03-28 17:0044.849.41.6495.024.019.0
2023-03-28 16:0049.150.31.6513.021.416.4
2023-03-28 15:0041.054.21.5533.822.917.9
2023-03-28 14:0037.853.61.4500.519.715.5
2023-03-28 13:0043.751.01.5480.615.711.9
2023-03-28 12:0037.849.21.5504.915.812.8
2023-03-28 11:0039.440.81.5523.714.911.2
2023-03-28 10:0041.727.41.6553.811.98.8
2023-03-28 09:0038.521.41.6559.47.96.3
2023-03-28 08:0038.319.11.7572.18.17.5
2023-03-28 07:0028.123.91.5536.97.5-
2023-03-28 06:0018.029.31.6483.83.6-
2023-03-28 05:0016.727.01.5482.91.81.6
2023-03-28 04:0016.630.11.5464.43.32.7
2023-03-28 03:0015.934.51.5471.25.25.0
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 29-03-2023