Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2018-06-23 13:0099.12.66.61,091.830.114.5
2018-06-23 12:0076.59.14.1865.535.117.5
2018-06-23 11:0050.621.02.1792.939.022.8
2018-06-23 10:0049.921.22.2785.344.528.6
2018-06-23 09:0060.115.53.2800.637.722.3
2018-06-23 08:0051.414.72.5772.734.219.9
2018-06-23 07:0041.419.11.9686.026.815.0
2018-06-23 06:0043.319.51.5740.523.312.8
2018-06-23 05:0032.020.42.01,057.723.613.0
2018-06-23 04:0034.620.32.5746.324.314.3
2018-06-23 03:0042.012.41.9952.629.819.5
2018-06-23 02:0047.73.62.2885.329.217.2
2018-06-23 01:0054.03.42.5812.433.819.7
2018-06-23 00:0056.86.92.8784.338.724.9
2018-06-22 23:0080.31.66.01,046.841.026.7
2018-06-22 22:0096.10.98.51,607.645.431.9
2018-06-22 21:0095.41.37.71,540.540.227.5
2018-06-22 20:00111.21.39.81,393.738.526.4
2018-06-22 19:00104.80.98.61,193.035.626.5
2018-06-22 18:0084.71.16.51,111.930.019.8
2018-06-22 17:0091.71.67.01,182.632.022.5
2018-06-22 16:0096.82.77.41,052.527.815.8
2018-06-22 15:00111.71.89.9972.933.720.1
2018-06-22 14:0093.69.95.4832.037.221.7
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:13:07 23-06-2018