Southern
Date TimeNO2O3SO2COPM10PM2.5
2023-09-28 16:0019.183.44.9622.019.310.6
2023-09-28 15:0018.989.35.0632.3--
2023-09-28 14:0019.396.65.5634.6--
2023-09-28 13:0020.395.23.5638.5--
2023-09-28 12:0020.284.52.9605.3--
2023-09-28 11:0018.680.12.7619.9--
2023-09-28 10:0019.469.02.6612.515.97.5
2023-09-28 09:0016.563.02.6597.914.46.5
2023-09-28 08:0013.665.02.5601.215.06.7
2023-09-28 07:0011.565.42.6586.915.46.7
2023-09-28 06:008.467.42.6577.413.04.5
2023-09-28 05:006.370.72.6569.413.04.7
2023-09-28 04:006.467.92.6553.716.76.5
2023-09-28 03:007.661.12.5545.216.77.0
2023-09-28 02:007.969.72.7558.519.97.9
2023-09-28 01:0014.762.52.7564.220.16.7
2023-09-28 00:0013.271.32.9587.020.47.4
2023-09-27 23:0021.863.63.0606.522.611.7
2023-09-27 22:0017.872.53.0611.319.611.4
2023-09-27 21:0014.369.42.8585.917.09.3
2023-09-27 20:0013.771.63.1578.020.112.2
2023-09-27 19:0025.175.13.6622.921.212.3
2023-09-27 18:0016.6101.63.5610.321.712.8
2023-09-27 17:0015.9115.33.8635.120.610.8
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: 16:07 28-09-2023