Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2018-06-19 02:006.255.56.7-11.65.7
2018-06-19 01:007.354.17.2-13.47.3
2018-06-19 00:008.650.66.4-12.16.1
2018-06-18 23:0010.949.66.4-12.47.1
2018-06-18 22:009.351.95.9-14.79.2
2018-06-18 21:0012.451.06.9-15.79.8
2018-06-18 20:0010.055.86.0-17.310.7
2018-06-18 19:0011.459.05.7-20.213.4
2018-06-18 18:0011.462.26.4-19.312.7
2018-06-18 17:009.072.66.6-17.212.1
2018-06-18 16:009.074.86.7-22.615.4
2018-06-18 15:0010.788.07.1-24.915.3
2018-06-18 14:0010.2109.38.5-21.812.4
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
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:02:07 19-06-2018