Past 24 Hours Pollutant Concentration Summary

Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2018-10-20 17:0095.741.16.3633.161.636.1
2018-10-20 16:00104.938.76.7661.558.030.9
2018-10-20 15:00106.738.66.5635.554.829.3
2018-10-20 14:0089.053.46.2485.750.929.8
2018-10-20 13:00105.235.17.6565.646.523.4
2018-10-20 12:0083.448.76.0513.350.524.1
2018-10-20 11:0073.646.66.3518.951.427.5
2018-10-20 10:0078.434.56.3589.042.125.5
2018-10-20 09:0074.332.06.1521.231.320.1
2018-10-20 08:0062.242.54.8455.730.316.4
2018-10-20 07:0053.953.54.6506.930.116.5
2018-10-20 06:0030.767.64.1491.534.620.6
2018-10-20 05:0029.771.33.9466.032.117.1
2018-10-20 04:0027.975.43.9458.335.822.4
2018-10-20 03:0038.768.03.9547.830.216.2
2018-10-20 02:0033.176.23.7463.937.722.8
2018-10-20 01:0058.658.84.6535.039.624.6
2018-10-20 00:0083.943.05.5572.741.527.5
2018-10-19 23:0078.248.26.0524.641.427.1
2018-10-19 22:0081.442.85.2554.146.028.6
2018-10-19 21:0076.845.96.0561.649.730.7
2018-10-19 20:0097.837.76.9574.849.429.6
2018-10-19 19:00102.937.76.6651.954.329.2
2018-10-19 18:0076.864.65.5551.752.327.7
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.

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Last revision date:17:07 20-10-2018