Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2017-10-17 15:0031.968.15.0-25.816.3
2017-10-17 14:0031.964.54.8-19.811.5
2017-10-17 13:0029.456.04.7-18.210.0
2017-10-17 12:0027.747.14.4-19.711.4
2017-10-17 11:0031.031.74.5-20.712.3
2017-10-17 10:0035.323.44.4-17.29.6
2017-10-17 09:0033.922.94.2-17.29.4
2017-10-17 08:0037.918.25.8-18.19.9
2017-10-17 07:0019.833.34.9-15.57.4
2017-10-17 06:009.542.93.6-14.77.4
2017-10-17 05:007.645.33.8-10.04.3
2017-10-17 04:0011.841.93.7-4.41.4
2017-10-17 03:0017.435.93.7-3.11.8
2017-10-17 02:0017.430.63.6-6.85.4
2017-10-17 01:0022.823.23.8-12.09.0
2017-10-17 00:0021.624.84.1-16.111.8
2017-10-16 23:0023.328.94.4-14.19.3
2017-10-16 22:0027.732.54.3-18.812.6
2017-10-16 21:0030.237.06.2-20.914.3
2017-10-16 20:0034.439.55.1-20.113.1
2017-10-16 19:0041.039.24.7-18.510.7
2017-10-16 18:0041.942.04.2-18.09.7
2017-10-16 17:0040.548.34.2-22.213.0
2017-10-16 16:0050.444.44.9-23.013.0
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:15:05 17-10-2017