Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2020-08-09 18:0020.936.04.7374.314.48.0
2020-08-09 17:0022.749.54.6376.217.87.0
2020-08-09 16:0024.951.14.5384.921.15.6
2020-08-09 15:0018.652.44.9365.414.44.7
2020-08-09 14:0021.026.05.4352.417.75.8
2020-08-09 13:0017.329.85.5328.917.97.6
2020-08-09 12:0015.529.14.9335.211.87.1
2020-08-09 11:0014.322.23.2342.98.66.5
2020-08-09 10:0013.917.83.2331.47.2-
2020-08-09 09:009.417.43.5323.46.74.5
2020-08-09 08:0010.812.13.6350.57.66.6
2020-08-09 07:0017.24.23.8365.89.9-
2020-08-09 06:0018.11.43.7340.610.76.6
2020-08-09 05:0021.63.33.9364.113.06.3
2020-08-09 04:0024.93.94.2356.566.95.9
2020-08-09 03:0025.14.04.2371.012.97.6
2020-08-09 02:0026.42.34.6374.811.46.3
2020-08-09 01:00----19.77.2
2020-08-09 00:0027.43.84.0375.79.67.4
2020-08-08 23:0029.12.34.7369.810.07.9
2020-08-08 22:0026.56.54.5397.715.68.4
2020-08-08 21:0028.95.74.2388.615.27.0
2020-08-08 20:0025.016.13.7418.212.711.4
2020-08-08 19:0025.023.53.4419.819.610.3
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:18:07 09-08-2020