Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2018-02-26 07:0027.724.73.01,069.321.312.8
2018-02-26 06:0018.933.43.11,058.713.88.6
2018-02-26 05:0015.237.83.0997.45.14.8
2018-02-26 04:0014.838.02.91,010.114.17.1
2018-02-26 03:0017.734.53.01,039.313.46.8
2018-02-26 02:0023.329.33.91,058.611.96.4
2018-02-26 01:0026.829.03.41,085.79.14.4
2018-02-26 00:0031.225.03.21,144.611.86.1
2018-02-25 23:0035.521.33.31,187.99.96.3
2018-02-25 22:0035.026.82.91,153.611.35.9
2018-02-25 21:0031.835.82.91,128.27.25.8
2018-02-25 20:0036.532.52.81,189.123.015.9
2018-02-25 19:0043.725.43.01,259.834.025.7
2018-02-25 18:0051.223.43.01,269.153.738.3
2018-02-25 17:0042.342.73.21,244.370.655.1
2018-02-25 16:0040.066.53.61,245.181.565.1
2018-02-25 15:0043.774.03.81,274.286.768.1
2018-02-25 14:0043.985.14.21,211.861.846.4
2018-02-25 13:0052.960.65.51,157.857.440.6
2018-02-25 12:0078.929.49.21,144.344.435.2
2018-02-25 11:0071.925.98.81,258.153.740.8
2018-02-25 10:0096.48.217.11,358.443.631.8
2018-02-25 09:0080.510.18.11,206.731.128.5
2018-02-25 08:0051.132.53.61,047.829.522.5
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:07:05 26-02-2018