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Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-12-02 07:0025.461.94.388.925.414.4
2021-12-02 06:0025.653.53.8104.026.715.0
2021-12-02 05:0016.868.14.9109.225.213.8
2021-12-02 04:0020.358.34.0113.423.912.7
2021-12-02 03:0025.952.04.7117.127.814.4
2021-12-02 02:0027.260.87.1121.831.715.3
2021-12-02 01:00----33.014.2
2021-12-02 00:0028.764.94.5140.233.415.6
2021-12-01 23:0034.164.24.8139.734.717.0
2021-12-01 22:0031.171.24.8120.336.816.7
2021-12-01 21:0060.648.44.2186.737.416.3
2021-12-01 20:0062.750.43.5165.940.516.4
2021-12-01 19:0059.765.94.0153.747.418.2
2021-12-01 18:0053.280.43.6119.249.619.5
2021-12-01 17:0052.886.13.5165.653.419.5
2021-12-01 16:0049.492.33.3178.245.216.8
2021-12-01 15:0041.493.33.2131.837.514.6
2021-12-01 14:0037.582.73.1116.534.710.6
2021-12-01 13:0033.076.93.2116.530.53.5
2021-12-01 12:0037.362.03.0104.344.316.2
2021-12-01 11:0037.859.63.7160.442.116.5
2021-12-01 10:0036.653.13.8164.237.316.6
2021-12-01 09:0037.152.93.5153.629.412.8
2021-12-01 08:0025.365.83.2139.827.513.4
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.