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Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2023-06-08 22:0034.311.73.1780.79.45.0
2023-06-08 21:0039.49.23.2769.68.15.6
2023-06-08 20:0042.79.03.1714.49.36.6
2023-06-08 19:0038.914.33.2632.111.87.0
2023-06-08 18:0048.511.73.9723.717.87.2
2023-06-08 17:0044.016.44.0639.518.04.9
2023-06-08 16:0039.321.74.1633.015.15.8
2023-06-08 15:0036.329.33.8669.914.75.6
2023-06-08 14:0033.535.23.6633.99.85.4
2023-06-08 13:0039.632.14.0669.915.18.0
2023-06-08 12:0039.031.43.4669.619.011.4
2023-06-08 11:0045.218.33.7811.19.25.7
2023-06-08 10:0032.121.83.1768.87.24.8
2023-06-08 09:0050.18.74.0841.68.44.6
2023-06-08 08:0033.414.12.9764.38.14.7
2023-06-08 07:0025.518.82.4695.67.54.5
2023-06-08 06:0020.829.72.4649.09.15.4
2023-06-08 05:0017.335.82.4629.27.84.5
2023-06-08 04:0013.136.72.5624.57.63.2
2023-06-08 03:0012.535.32.4623.711.36.3
2023-06-08 02:0017.531.42.6624.011.57.1
2023-06-08 01:0031.421.72.7725.68.75.0
2023-06-08 00:0028.721.62.6697.09.75.3
2023-06-07 23:0033.018.82.7725.212.16.5
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: 22:07 08-06-2023