Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2022-01-27 07:0050.235.94.6963.222.219.1
2022-01-27 06:0027.659.14.4863.818.715.5
2022-01-27 05:0011.780.84.4836.421.417.4
2022-01-27 04:0012.280.74.4819.022.918.5
2022-01-27 03:0015.477.74.8826.923.218.4
2022-01-27 02:00----25.519.1
2022-01-27 01:00----29.821.7
2022-01-27 00:0032.573.54.4922.935.726.0
2022-01-26 23:0035.268.24.6952.439.729.4
2022-01-26 22:0094.712.77.81,131.747.234.2
2022-01-26 21:00118.81.510.51,141.844.229.7
2022-01-26 20:00115.91.310.21,005.543.530.5
2022-01-26 19:00117.81.411.5973.042.227.7
2022-01-26 18:00109.210.210.0993.726.219.4
2022-01-26 17:0047.051.64.6864.222.716.9
2022-01-26 16:0082.127.57.1950.031.721.4
2022-01-26 15:0058.442.25.8919.827.720.3
2022-01-26 14:0041.354.94.5932.429.022.0
2022-01-26 13:0033.354.74.4919.129.921.7
2022-01-26 12:0039.046.84.3934.926.819.7
2022-01-26 11:0029.749.14.3918.929.523.2
2022-01-26 10:0039.836.54.51,004.627.522.5
2022-01-26 09:0046.928.14.31,035.225.619.0
2022-01-26 08:0035.835.94.31,007.125.415.6
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: 07:07 27-01-2022