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Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2022-12-02 11:0024.216.67.3685.88.44.5
2022-12-02 10:0025.513.17.7682.65.53.8
2022-12-02 09:0025.911.27.5682.95.23.8
2022-12-02 08:0028.19.07.4678.66.65.7
2022-12-02 07:0023.811.97.3647.58.27.2
2022-12-02 06:0015.916.36.9580.98.88.0
2022-12-02 05:0016.015.66.7581.15.84.9
2022-12-02 04:0015.516.56.6609.44.43.6
2022-12-02 03:0015.517.96.6614.95.84.6
2022-12-02 02:0019.014.86.8621.46.85.1
2022-12-02 01:0022.213.66.9650.29.37.1
2022-12-02 00:0028.410.37.4672.65.32.9
2022-12-01 23:0027.410.36.9672.77.14.1
2022-12-01 22:0029.011.07.1686.512.08.1
2022-12-01 21:0031.59.27.0705.413.48.2
2022-12-01 20:0033.910.17.3707.713.48.0
2022-12-01 19:0036.78.97.4704.415.48.0
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
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.