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Past 24 Hours Pollutant Concentration Summary

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Causeway BayCentralMong Kok
Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2023-09-28 15:0025.777.93.4-13.19.5
2023-09-28 14:0024.788.63.3-12.710.2
2023-09-28 13:0025.287.33.7-11.47.7
2023-09-28 12:0024.382.43.5-12.58.1
2023-09-28 11:0029.270.03.3-12.48.2
2023-09-28 10:0030.358.23.3-11.37.2
2023-09-28 09:0029.150.63.2-8.65.8
2023-09-28 08:0024.451.83.5-9.36.5
2023-09-28 07:0015.357.73.6-9.16.5
2023-09-28 06:009.462.83.5-9.05.5
2023-09-28 05:009.661.33.4-10.16.0
2023-09-28 04:007.760.43.1-10.16.0
2023-09-28 03:009.355.43.2-11.16.0
2023-09-28 02:0015.458.43.3-13.87.4
2023-09-28 01:0015.760.93.5-16.49.6
2023-09-28 00:0022.0-3.6-18.411.0
2023-09-27 23:0033.055.83.7-19.212.7
2023-09-27 22:0023.467.43.9-16.411.8
2023-09-27 21:0022.765.53.8-14.911.6
2023-09-27 20:0018.469.34.0-13.010.8
2023-09-27 19:0033.061.93.8-14.411.7
2023-09-27 18:0033.577.34.2-12.810.0
2023-09-27 17:0026.299.53.9-17.111.9
2023-09-27 16:0034.484.13.8-11.87.6
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： 15:07 28-09-2023