Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2024-02-28 15:0034.172.71.1726.630.221.9
2024-02-28 14:0037.366.41.3719.627.419.6
2024-02-28 13:0031.566.71.2713.426.618.2
2024-02-28 12:0034.361.41.2712.627.318.2
2024-02-28 11:0037.058.01.2735.025.717.1
2024-02-28 10:0042.950.01.2763.524.116.2
2024-02-28 09:0038.653.91.2738.323.315.9
2024-02-28 08:0032.959.11.2706.721.213.6
2024-02-28 07:0023.368.91.2670.320.414.2
2024-02-28 06:0013.380.31.1614.616.610.5
2024-02-28 05:0010.484.81.1614.117.810.8
2024-02-28 04:009.587.51.1592.920.113.3
2024-02-28 03:0011.385.71.4637.620.514.5
2024-02-28 02:0013.583.73.5654.925.316.7
2024-02-28 01:00----31.721.3
2024-02-28 00:0023.978.01.4758.939.528.8
2024-02-27 23:0031.071.91.6828.343.533.8
2024-02-27 22:0045.455.72.9830.143.531.3
2024-02-27 21:0097.16.24.9847.345.930.7
2024-02-27 20:00105.86.95.7833.248.132.0
2024-02-27 19:00101.620.04.3825.247.130.9
2024-02-27 18:0087.034.14.1787.645.128.3
2024-02-27 17:0082.332.44.5791.644.728.2
2024-02-27 16:0074.226.06.1805.240.426.6
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: 15:07 28-02-2024