Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2018-06-18 13:0012.3104.28.9-21.913.6
2018-06-18 12:0014.7102.311.3-20.712.5
2018-06-18 11:0015.191.010.4-27.117.4
2018-06-18 10:0027.076.914.5-29.317.7
2018-06-18 09:0032.562.115.2-31.819.3
2018-06-18 08:0037.247.213.7-32.120.8
2018-06-18 07:0044.626.418.2-32.121.9
2018-06-18 06:0040.731.016.4-34.224.1
2018-06-18 05:0026.949.115.5-29.020.1
2018-06-18 04:0033.545.617.0-26.218.2
2018-06-18 03:0021.565.77.9-21.314.4
2018-06-18 02:0016.975.46.9-21.514.7
2018-06-18 01:0017.778.56.7-25.217.7
2018-06-18 00:0026.274.07.8-28.219.2
2018-06-17 23:0026.975.98.2-26.718.1
2018-06-17 22:0024.784.67.4-27.618.7
2018-06-17 21:0029.185.17.8-26.618.4
2018-06-17 20:0034.776.87.5-25.716.7
2018-06-17 19:0033.781.86.7-30.318.9
2018-06-17 18:0026.396.07.7-31.419.6
2018-06-17 17:0023.8103.47.8-33.120.6
2018-06-17 16:0025.4103.28.3-30.419.0
2018-06-17 15:0025.391.78.7-26.317.1
2018-06-17 14:0026.385.77.8-22.514.7
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:13:07 18-06-2018