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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2021-12-02 08:0099.28.28.1773.835.716.2
2021-12-02 07:0071.027.85.9696.536.814.8
2021-12-02 06:0054.241.45.5660.824.915.1
2021-12-02 05:0053.342.15.0670.631.114.9
2021-12-02 04:0062.534.84.9690.430.916.3
2021-12-02 03:00-37.5--29.314.6
2021-12-02 02:0063.038.95.1687.133.511.9
2021-12-02 01:0082.421.66.1671.138.015.7
2021-12-02 00:0081.024.76.5676.343.418.6
2021-12-01 23:0089.821.27.3735.242.317.2
2021-12-01 22:0085.931.16.6714.5--
2021-12-01 21:0099.521.08.7797.4--
2021-12-01 20:00113.213.89.8820.7--
2021-12-01 19:00149.36.018.5863.1--
2021-12-01 18:00142.96.414.2842.1--
2021-12-01 17:00133.28.09.3827.3--
2021-12-01 16:00142.59.910.2863.9--
2021-12-01 15:00125.916.27.7872.9--
2021-12-01 14:00111.419.26.5859.5--
2021-12-01 13:00112.715.47.6846.3--
2021-12-01 12:00101.516.26.9767.2--
2021-12-01 11:0091.316.16.3778.6--
2021-12-01 10:00100.511.09.5762.240.719.8
2021-12-01 09:00102.011.47.7755.529.812.4
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.