Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2019-08-18 04:009.645.91.3-22.515.5
2019-08-18 03:0015.633.81.3-17.77.0
2019-08-18 02:0013.034.21.4-10.31.5
2019-08-18 01:0023.525.92.6-7.80.4
2019-08-18 00:0025.925.63.4-9.71.3
2019-08-17 23:0017.031.51.9-13.24.4
2019-08-17 22:0022.128.61.2-15.86.0
2019-08-17 21:0031.618.81.2-17.511.5
2019-08-17 20:0047.77.11.8-11.28.7
2019-08-17 19:0046.29.21.5-8.45.5
2019-08-17 18:0039.417.83.3-12.96.6
2019-08-17 17:0044.528.54.7-17.59.7
2019-08-17 16:0051.026.41.6-14.06.7
2019-08-17 15:0056.914.71.3-11.97.4
2019-08-17 14:0036.028.71.6-14.37.6
2019-08-17 13:0050.220.40.2-16.89.5
2019-08-17 12:0038.931.10.4-18.79.8
2019-08-17 11:0038.831.72.5-17.16.1
2019-08-17 10:0037.932.55.1-16.25.1
2019-08-17 09:0031.729.81.3-15.85.4
2019-08-17 08:0017.934.30.9-14.87.0
2019-08-17 07:0012.737.61.1-16.17.1
2019-08-17 06:008.543.51.6-15.36.4
2019-08-17 05:009.340.31.5-16.58.9
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:04:07 18-08-2019