Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2020-02-18 15:0011.082.94.4186.711.15.6
2020-02-18 14:00----15.77.8
2020-02-18 13:00----6.73.0
2020-02-18 12:00----15.28.2
2020-02-18 11:00----13.56.5
2020-02-18 10:0034.133.15.9580.39.43.2
2020-02-18 09:0022.946.05.9480.09.63.7
2020-02-18 08:0012.056.43.8506.39.74.7
2020-02-18 07:0016.945.14.3418.48.44.9
2020-02-18 06:0017.819.33.3516.39.05.1
2020-02-18 05:008.831.14.4497.98.35.0
2020-02-18 04:008.738.53.4486.59.95.0
2020-02-18 03:004.065.15.2542.812.27.9
2020-02-18 02:007.458.24.2506.49.74.9
2020-02-18 01:0010.656.64.9509.69.94.7
2020-02-18 00:0010.859.24.7585.810.44.5
2020-02-17 23:0022.545.84.6534.413.68.3
2020-02-17 22:0025.642.45.6567.710.34.7
2020-02-17 21:0015.260.64.7541.27.82.0
2020-02-17 20:0015.064.85.3544.011.25.2
2020-02-17 19:0021.765.55.3494.29.81.2
2020-02-17 18:0041.354.46.5629.014.73.4
2020-02-17 17:0039.861.37.8559.419.68.4
2020-02-17 16:0036.371.28.4652.616.55.9
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:15:07 18-02-2020