Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2018-12-19 17:0049.274.46.2651.633.220.1
2018-12-19 16:0040.480.66.5652.628.315.2
2018-12-19 15:0033.692.06.9673.525.610.9
2018-12-19 14:0035.892.66.8643.428.111.0
2018-12-19 13:0030.697.37.1633.036.615.0
2018-12-19 12:0034.891.07.2639.847.719.0
2018-12-19 11:0065.862.07.4732.545.918.3
2018-12-19 10:0078.642.37.5778.232.118.6
2018-12-19 09:0081.537.17.5741.924.619.5
2018-12-19 08:0098.716.87.4803.532.417.2
2018-12-19 07:0061.339.07.3690.344.016.9
2018-12-19 06:0039.476.77.4624.343.418.0
2018-12-19 05:0057.955.17.4701.132.215.6
2018-12-19 04:0060.455.27.4686.528.415.0
2018-12-19 03:0062.261.17.5644.130.114.4
2018-12-19 02:0029.2109.77.8567.236.315.6
2018-12-19 01:0039.098.07.6552.751.419.8
2018-12-19 00:0097.547.97.8796.153.218.4
2018-12-18 23:00126.018.48.0938.243.420.4
2018-12-18 22:0077.271.79.9802.137.921.6
2018-12-18 21:0080.372.89.9729.236.825.3
2018-12-18 20:0082.072.59.9765.534.626.3
2018-12-18 19:0089.757.99.5764.631.121.2
2018-12-18 18:0071.382.59.9677.030.715.2
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:17:07 19-12-2018