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Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-12-02 07:0064.633.96.1-24.711.8
2021-12-02 06:0036.054.05.9-24.310.8
2021-12-02 05:0023.164.25.9-22.79.2
2021-12-02 04:0014.972.75.9-24.710.2
2021-12-02 03:0017.371.26.1-25.310.4
2021-12-02 02:0016.973.86.2-27.512.8
2021-12-02 01:0027.267.75.7-26.912.0
2021-12-02 00:0044.253.65.8-27.511.9
2021-12-01 23:0038.461.15.9-29.813.9
2021-12-01 22:0068.941.96.7-36.718.5
2021-12-01 21:0070.938.96.5-39.820.0
2021-12-01 20:0088.431.06.5-35.515.4
2021-12-01 19:0080.139.85.7-41.516.2
2021-12-01 18:0095.238.16.2-43.115.2
2021-12-01 17:0078.955.05.3-40.114.3
2021-12-01 16:0074.057.75.1-38.816.4
2021-12-01 15:0065.665.64.9-40.017.6
2021-12-01 14:0063.360.45.2-34.715.4
2021-12-01 13:0069.951.35.6-36.817.0
2021-12-01 12:0065.946.85.9-35.716.9
2021-12-01 11:0056.546.16.3-33.316.6
2021-12-01 10:0059.341.46.2-28.014.4
2021-12-01 09:0063.937.75.3-26.014.6
2021-12-01 08:0061.337.45.1-24.313.4
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.