Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2018-06-18 13:0037.2122.88.9364.429.418.6
2018-06-18 12:0029.899.78.6367.633.620.5
2018-06-18 11:0028.9102.28.7409.635.219.5
2018-06-18 10:0032.286.39.7391.031.818.2
2018-06-18 09:0033.272.810.3348.124.016.6
2018-06-18 08:0031.360.710.9374.825.119.9
2018-06-18 07:0042.536.713.6377.921.719.9
2018-06-18 06:0077.74.230.8361.720.116.1
2018-06-18 05:0054.324.415.3377.720.113.6
2018-06-18 04:0022.555.57.2366.421.913.7
2018-06-18 03:0021.069.46.1361.421.114.0
2018-06-18 02:0019.772.05.8348.518.614.2
2018-06-18 01:0023.772.75.8334.720.117.3
2018-06-18 00:0032.765.96.2342.222.616.9
2018-06-17 23:0027.981.46.3329.827.215.8
2018-06-17 22:0031.181.96.2354.027.315.8
2018-06-17 21:0029.484.56.7350.729.616.9
2018-06-17 20:0040.481.17.2398.230.918.1
2018-06-17 19:0043.375.77.6357.028.017.7
2018-06-17 18:0039.986.28.5351.121.015.5
2018-06-17 17:0023.096.26.3267.021.413.9
2018-06-17 16:0025.7111.86.0246.625.613.9
2018-06-17 15:0025.5144.36.4246.824.615.5
2018-06-17 14:0021.6147.26.8246.924.218.6
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:13:07 18-06-2018