Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2020-08-09 20:0065.512.37.0683.126.214.8
2020-08-09 19:0064.815.86.5397.621.512.5
2020-08-09 18:0066.018.07.2457.025.216.2
2020-08-09 17:0066.320.07.2390.221.813.2
2020-08-09 16:0042.032.46.9358.927.817.4
2020-08-09 15:0064.514.28.2455.723.514.5
2020-08-09 14:0058.713.68.8437.424.615.2
2020-08-09 13:0074.211.08.2675.923.415.4
2020-08-09 12:0067.710.19.3648.121.412.3
2020-08-09 11:0059.98.98.1532.213.07.0
2020-08-09 10:0059.78.89.0632.317.210.7
2020-08-09 09:0053.66.29.7484.723.315.5
2020-08-09 08:0042.15.98.3502.515.37.2
2020-08-09 07:0031.86.06.2447.913.64.8
2020-08-09 06:0019.08.84.8709.210.45.1
2020-08-09 05:0021.09.45.2400.88.24.1
2020-08-09 04:00----5.42.4
2020-08-09 03:0023.69.94.7394.214.38.9
2020-08-09 02:0026.217.34.4375.118.411.5
2020-08-09 01:0037.816.55.3496.316.59.4
2020-08-09 00:0044.813.15.5437.326.415.7
2020-08-08 23:0041.813.55.2465.016.39.2
2020-08-08 22:0050.613.16.0865.117.19.4
2020-08-08 21:0058.211.66.7682.523.113.0
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.

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Last revision date:20:07 09-08-2020