Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2022-01-24 23:0028.948.64.2773.917.913.9
2022-01-24 22:0031.050.14.4814.818.215.2
2022-01-24 21:0036.647.44.4858.826.822.8
2022-01-24 20:0046.543.34.4903.435.129.9
2022-01-24 19:0052.742.04.5913.931.226.6
2022-01-24 18:0050.642.14.5914.624.520.8
2022-01-24 17:0046.440.14.6876.418.214.5
2022-01-24 16:0041.440.74.5862.422.818.7
2022-01-24 15:0045.343.94.7902.513.58.3
2022-01-24 14:0040.141.84.9867.93.71.5
2022-01-24 13:0039.539.55.1827.92.5-
2022-01-24 12:0036.437.05.1798.89.56.8
2022-01-24 11:0052.519.16.9976.615.911.8
2022-01-24 10:0061.92.48.61,098.512.39.4
2022-01-24 09:0047.62.06.0986.612.810.9
2022-01-24 08:0041.02.15.6925.521.219.0
2022-01-24 07:0047.81.65.9893.419.916.7
2022-01-24 06:0047.51.25.9868.116.913.4
2022-01-24 05:0064.90.67.5854.720.714.9
2022-01-24 04:0068.70.89.4870.418.59.8
2022-01-24 03:0079.91.010.6888.117.610.9
2022-01-24 02:0058.40.97.2898.318.412.6
2022-01-24 01:0082.11.311.6903.918.911.9
2022-01-24 00:0076.90.710.5948.713.27.5
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: 23:07 24-01-2022