Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2020-08-09 19:0032.923.56.4424.210.04.6
2020-08-09 18:0034.528.06.3445.213.36.0
2020-08-09 17:0038.831.37.4444.614.87.7
2020-08-09 16:0034.034.67.4418.010.35.3
2020-08-09 15:0022.041.86.0383.712.07.1
2020-08-09 14:0029.642.26.3447.210.46.1
2020-08-09 13:0021.242.16.4418.89.85.0
2020-08-09 12:0027.423.58.0411.49.44.5
2020-08-09 11:0029.019.86.2412.86.72.6
2020-08-09 10:0017.423.04.9405.25.12.0
2020-08-09 09:0010.121.35.2393.14.41.2
2020-08-09 08:008.915.65.0406.87.52.6
2020-08-09 07:0013.44.95.0452.59.53.8
2020-08-09 06:0015.63.65.2438.810.94.3
2020-08-09 05:0018.23.25.4416.913.46.0
2020-08-09 04:0024.34.25.6426.113.97.6
2020-08-09 03:0020.07.15.3436.712.36.6
2020-08-09 02:0014.911.77.4419.310.24.7
2020-08-09 01:00----8.93.6
2020-08-09 00:0022.610.74.9473.810.44.8
2020-08-08 23:0031.56.65.1566.211.66.3
2020-08-08 22:0030.48.85.1601.310.86.0
2020-08-08 21:0030.38.75.1575.811.46.4
2020-08-08 20:0036.75.75.2607.812.45.9
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:19:07 09-08-2020