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Southern
Date TimeNO2O3SO2COPM10PM2.5
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
2023-09-27 16:0013.2116.83.7626.216.79.7
2023-09-27 15:0015.091.53.5598.019.19.0
2023-09-27 14:0016.880.12.3578.020.09.5
2023-09-27 13:0019.195.53.5603.021.311.3
2023-09-27 12:0019.2104.43.5599.420.39.8
2023-09-27 11:0022.387.23.0626.822.810.5
2023-09-27 10:0023.670.92.3609.118.46.7
2023-09-27 09:0021.558.42.1614.715.16.4
2023-09-27 08:0018.264.62.1565.614.17.9
2023-09-27 07:0011.968.82.4545.711.45.7
2023-09-27 06:007.973.42.2543.912.15.2
2023-09-27 05:005.478.62.0540.912.56.2
2023-09-27 04:006.081.52.3543.417.19.6
2023-09-27 03:006.687.52.0542.518.69.8
2023-09-27 02:007.086.22.3555.416.28.0
2023-09-27 01:0010.283.82.4574.017.69.1
2023-09-27 00:0010.687.22.2571.819.010.3
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: 23:07 27-09-2023