Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2019-10-19 17:0079.1247.210.7798.584.554.2
2019-10-19 16:0048.9237.87.8726.472.645.3
2019-10-19 15:0042.7211.87.8725.491.538.5
2019-10-19 14:0049.7202.58.2747.181.840.0
2019-10-19 13:0038.8176.68.3702.677.835.7
2019-10-19 12:0037.1142.69.2670.870.135.6
2019-10-19 11:0039.1114.610.3649.370.031.3
2019-10-19 10:0042.692.411.6661.164.226.7
2019-10-19 09:0045.376.112.5664.264.723.6
2019-10-19 08:0045.764.612.4632.367.829.7
2019-10-19 07:0043.563.611.2649.874.634.2
2019-10-19 06:0045.657.611.5669.369.332.9
2019-10-19 05:0044.250.06.4752.664.436.2
2019-10-19 04:0049.742.65.6757.972.936.8
2019-10-19 03:0063.838.86.1843.969.836.3
2019-10-19 02:0068.832.75.7948.264.735.8
2019-10-19 01:0073.039.66.4920.067.634.5
2019-10-19 00:0086.445.16.8926.359.835.2
2019-10-18 23:0083.168.27.0880.760.731.9
2019-10-18 22:0073.495.36.9831.164.633.3
2019-10-18 21:0077.199.87.0822.664.033.9
2019-10-18 20:0084.695.77.2848.271.436.2
2019-10-18 19:0063.7136.97.6740.271.848.3
2019-10-18 18:0095.5123.18.3778.776.542.6
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:17:07 19-10-2019