Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2018-02-22 22:0037.614.70.1-10.17.7
2018-02-22 21:0043.610.82.5-7.04.9
2018-02-22 20:0042.511.80.5-6.83.1
2018-02-22 19:0039.912.60.1-9.13.4
2018-02-22 18:0038.714.20.1-10.96.7
2018-02-22 17:0039.215.40.1-5.55.2
2018-02-22 16:0037.217.40.1-4.0-
2018-02-22 15:0026.327.60.1-8.3-
2018-02-22 14:0031.326.10.1-17.313.0
2018-02-22 13:0028.632.50.2-30.316.5
2018-02-22 12:0037.537.90.1-30.320.1
2018-02-22 11:0039.758.00.4-25.019.8
2018-02-22 10:0046.252.10.3-24.217.1
2018-02-22 09:0043.950.40.2-32.517.7
2018-02-22 08:0042.546.61.3-36.718.2
2018-02-22 07:0025.259.31.5-34.517.2
2018-02-22 06:0016.569.01.6-33.016.5
2018-02-22 05:0012.779.61.1-29.915.4
2018-02-22 04:0014.081.01.3-31.015.4
2018-02-22 03:0016.682.61.5-22.513.2
2018-02-22 02:0020.281.61.3-24.99.9
2018-02-22 01:0024.281.20.7-28.910.8
2018-02-22 00:0028.276.21.6-32.514.0
2018-02-21 23:0024.679.11.2-23.615.1
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:22:05 22-02-2018