Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2020-06-05 05:0019.07.45.1282.26.82.1
2020-06-05 04:0012.213.95.2276.06.54.8
2020-06-05 03:0012.516.75.3245.39.36.0
2020-06-05 02:004.823.84.6245.17.43.6
2020-06-05 01:008.122.84.4251.96.42.1
2020-06-05 00:0014.016.64.9266.07.23.2
2020-06-04 23:0022.011.15.5297.77.73.6
2020-06-04 22:0020.912.35.2316.88.03.9
2020-06-04 21:0026.29.55.1343.69.64.1
2020-06-04 20:0029.610.84.7358.99.52.5
2020-06-04 19:0027.014.54.8334.29.63.0
2020-06-04 18:0027.118.94.8338.412.16.0
2020-06-04 17:0022.826.64.9330.412.07.1
2020-06-04 16:0019.333.54.8307.510.15.7
2020-06-04 15:0018.434.04.8324.79.84.7
2020-06-04 14:0022.132.34.7322.89.14.3
2020-06-04 13:0021.231.95.0313.99.94.1
2020-06-04 12:0021.326.45.1316.99.33.2
2020-06-04 11:0022.023.75.0340.29.85.2
2020-06-04 10:0025.316.95.4341.79.05.0
2020-06-04 09:0026.312.75.1344.99.44.8
2020-06-04 08:0025.98.64.9344.69.55.0
2020-06-04 07:0020.711.44.9294.89.24.4
2020-06-04 06:0011.917.14.8247.68.65.4
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:05:07 05-06-2020