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Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2020-07-11 23:0023.98.52.3-21.78.4
2020-07-11 22:0020.010.12.1-20.09.3
2020-07-11 21:0018.412.42.3-15.77.8
2020-07-11 20:0017.817.01.7-11.14.3
2020-07-11 19:0014.422.01.8-9.52.0
2020-07-11 18:007.726.41.4-16.80.9
2020-07-11 17:0011.923.41.4-19.32.4
2020-07-11 16:009.526.01.3-16.57.6
2020-07-11 15:0014.726.31.2-15.511.8
2020-07-11 14:0013.825.11.6-15.25.4
2020-07-11 13:0015.729.41.4-17.6-
2020-07-11 12:0013.031.01.4-18.30.2
2020-07-11 11:0014.528.21.4-19.06.3
2020-07-11 10:0013.725.21.6-16.37.8
2020-07-11 09:0012.920.31.6-12.45.4
2020-07-11 08:0013.514.22.6-13.44.2
2020-07-11 07:0012.213.61.8-15.05.0
2020-07-11 06:007.218.71.4-12.22.4
2020-07-11 05:006.118.51.4-9.60.1
2020-07-11 04:008.016.01.7-13.85.1
2020-07-11 03:006.917.31.6-15.08.1
2020-07-11 02:007.617.81.7-13.57.9
2020-07-11 01:0012.312.71.9-15.65.3
2020-07-11 00:0018.48.21.9-17.72.8
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.