Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2019-09-16 04:0042.838.56.7343.219.516.9
2019-09-16 03:0028.841.87.3339.224.515.3
2019-09-16 02:0020.644.78.4354.426.018.6
2019-09-16 01:00----27.519.2
2019-09-16 00:0033.935.78.3389.229.820.2
2019-09-15 23:0038.636.48.4380.424.817.3
2019-09-15 22:0036.837.57.9399.326.118.6
2019-09-15 21:0031.350.57.8357.627.017.6
2019-09-15 20:0034.652.07.5340.825.215.9
2019-09-15 19:0039.368.57.5328.323.013.6
2019-09-15 18:0033.380.57.3316.523.516.4
2019-09-15 17:0026.089.37.5326.022.413.8
2019-09-15 16:0037.790.47.6377.826.618.5
2019-09-15 15:0050.468.87.6378.027.820.6
2019-09-15 14:0054.859.08.0434.424.518.1
2019-09-15 13:0022.187.57.0410.423.317.1
2019-09-15 12:0023.268.06.9453.721.817.0
2019-09-15 11:0025.051.56.5468.319.013.1
2019-09-15 10:0019.070.36.4425.818.513.8
2019-09-15 09:0024.971.76.2466.417.915.7
2019-09-15 08:0022.367.87.0443.425.119.5
2019-09-15 07:0028.149.66.9461.526.019.9
2019-09-15 06:009.473.47.0376.924.318.9
2019-09-15 05:003.288.07.7371.825.720.1
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:04:07 16-09-2019