Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2022-12-01 18:0036.57.77.5714.416.16.4
2022-12-01 17:0035.59.57.8700.615.86.6
2022-12-01 16:0031.613.07.7673.619.17.0
2022-12-01 15:0026.818.08.0685.231.78.1
2022-12-01 14:0025.318.77.7660.811.43.9
2022-12-01 13:0024.417.27.8652.610.14.1
2022-12-01 12:0025.013.08.1687.212.75.7
2022-12-01 11:0025.010.07.9687.112.46.1
2022-12-01 10:0023.88.47.6699.37.14.4
2022-12-01 09:0025.57.37.8706.47.95.2
2022-12-01 08:0023.77.07.6715.94.61.9
2022-12-01 07:0020.97.87.3682.09.56.4
2022-12-01 06:0016.910.37.4650.511.88.9
2022-12-01 05:0015.811.57.4665.010.97.3
2022-12-01 04:0016.510.97.6680.59.85.4
2022-12-01 03:0017.610.98.2709.413.07.4
2022-12-01 02:00----14.37.5
2022-12-01 01:00----18.610.0
2022-12-01 00:0026.64.27.4830.018.29.5
2022-11-30 23:0028.53.47.5883.218.010.1
2022-11-30 22:0029.04.37.4893.319.811.2
2022-11-30 21:0029.84.27.4911.617.59.0
2022-11-30 20:0030.63.27.4932.512.16.7
2022-11-30 19:0031.43.47.3932.29.36.1
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: 18:07 01-12-2022