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Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 05:0019.753.08.1875.729.820.3
2023-01-30 04:0014.357.78.3854.523.614.2
2023-01-30 03:0019.256.48.9871.826.016.5
2023-01-30 02:0032.946.010.8913.523.314.2
2023-01-30 01:00----25.915.9
2023-01-30 00:0059.529.98.0987.229.718.1
2023-01-29 23:0057.634.37.81,018.433.219.8
2023-01-29 22:0045.146.58.11,009.339.325.0
2023-01-29 21:0050.842.78.31,032.944.028.8
2023-01-29 20:0053.844.29.11,003.248.831.0
2023-01-29 19:0052.155.810.4963.448.426.0
2023-01-29 18:0054.969.212.3920.947.323.6
2023-01-29 17:0041.378.312.1933.150.928.8
2023-01-29 16:0047.973.913.4911.154.632.4
2023-01-29 15:0042.374.312.7906.345.623.6
2023-01-29 14:0033.678.010.0902.842.122.0
2023-01-29 13:0038.064.78.8929.939.018.9
2023-01-29 12:0033.558.38.5929.639.619.6
2023-01-29 11:0030.859.28.2912.039.919.8
2023-01-29 10:0022.365.88.1908.844.223.8
2023-01-29 09:0023.266.58.2901.143.222.0
2023-01-29 08:0024.765.98.2904.239.818.1
2023-01-29 07:0027.963.08.4932.339.718.7
2023-01-29 06:0012.278.58.2864.241.018.5
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: 05:07 30-01-2023