Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2019-04-19 14:0025.950.04.7-15.411.0
2019-04-19 13:0010.244.14.4-13.99.1
2019-04-19 12:0027.927.74.8-20.213.8
2019-04-19 11:0045.415.15.2-24.417.2
2019-04-19 10:0052.412.05.1-23.116.2
2019-04-19 09:0051.314.44.8-22.915.1
2019-04-19 08:0058.011.54.9-18.612.8
2019-04-19 07:0024.035.34.1-17.011.2
2019-04-19 06:0019.055.24.2-19.413.1
2019-04-19 05:0020.655.04.4-17.611.1
2019-04-19 04:0033.341.24.1-17.012.1
2019-04-19 03:0041.448.43.9-15.512.6
2019-04-19 02:0039.556.03.6-13.010.4
2019-04-19 01:0075.628.93.7-18.111.5
2019-04-19 00:0095.16.43.9-14.69.8
2019-04-18 23:0026.286.23.1-10.09.3
2019-04-18 22:0039.762.92.9-12.99.6
2019-04-18 21:0058.645.83.1-22.917.3
2019-04-18 20:0074.633.93.0-26.621.1
2019-04-18 19:0061.949.02.9-23.817.9
2019-04-18 18:0056.859.42.9-23.417.2
2019-04-18 17:0055.764.23.2-26.519.6
2019-04-18 16:0068.164.53.8-39.230.7
2019-04-18 15:0063.376.24.2-40.632.3
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:14:07 19-04-2019