Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2019-07-21 03:0056.17.40.9-23.113.1
2019-07-21 02:0065.22.01.0-19.34.6
2019-07-21 01:0060.36.01.1-17.73.2
2019-07-21 00:0065.13.60.7-16.66.6
2019-07-20 23:0052.512.12.2-13.812.5
2019-07-20 22:0065.63.92.4-13.712.0
2019-07-20 21:0050.516.52.6-18.312.3
2019-07-20 20:0060.515.10.5-19.89.4
2019-07-20 19:0067.010.70.2-21.711.0
2019-07-20 18:0059.319.30.2-24.714.5
2019-07-20 17:0077.56.80.4-20.712.6
2019-07-20 16:0071.513.90.3-12.58.0
2019-07-20 15:0063.522.30.2-13.78.4
2019-07-20 14:0043.140.10.4-22.111.6
2019-07-20 13:0019.048.81.3-27.114.4
2019-07-20 12:0025.446.61.1-29.715.4
2019-07-20 11:0025.942.31.8-26.512.1
2019-07-20 10:0025.541.33.3-24.410.7
2019-07-20 09:0016.650.61.2-22.711.8
2019-07-20 08:0012.552.51.3-18.29.3
2019-07-20 07:0011.350.81.2-11.64.4
2019-07-20 06:0013.943.61.4-13.68.1
2019-07-20 05:009.647.31.1-19.29.9
2019-07-20 04:0020.336.91.5-23.712.0
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:03:07 21-07-2019