Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2018-06-18 05:0024.445.35.5415.420.412.3
2018-06-18 04:0010.461.94.3413.420.113.3
2018-06-18 03:004.372.03.7405.917.711.8
2018-06-18 02:006.471.63.8421.821.314.4
2018-06-18 01:0015.974.93.9432.319.813.1
2018-06-18 00:0020.771.84.2484.721.613.3
2018-06-17 23:0027.472.54.2525.226.218.0
2018-06-17 22:0029.277.04.4558.827.219.6
2018-06-17 21:0026.883.04.1545.924.717.4
2018-06-17 20:0031.577.84.5570.223.513.4
2018-06-17 19:0033.986.64.7562.912.72.6
2018-06-17 18:0034.287.24.3552.720.610.5
2018-06-17 17:0026.5101.84.8515.323.515.9
2018-06-17 16:0023.698.34.6465.822.514.9
2018-06-17 15:0024.3102.74.4454.720.514.3
2018-06-17 14:0022.996.54.1449.320.215.5
2018-06-17 13:0020.193.24.0443.420.915.8
2018-06-17 12:0022.889.14.2439.721.616.2
2018-06-17 11:0018.294.34.2416.317.512.4
2018-06-17 10:0020.886.74.5429.219.115.6
2018-06-17 09:0020.483.74.4432.837.130.9
2018-06-17 08:0023.177.44.6430.319.811.0
2018-06-17 07:0027.171.94.8478.023.913.7
2018-06-17 06:0012.986.34.9408.522.412.0
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.

Last revision date:05:07 18-06-2018