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Past 24 Hours Pollutant Concentration Summary

Southern
Date TimeNO2O3SO2COPM10PM2.5
2023-09-26 07:0017.556.73.4594.310.53.5
2023-09-26 06:0010.870.73.2574.813.65.4
2023-09-26 05:007.679.83.3550.69.02.6
2023-09-26 04:007.376.63.5545.58.92.0
2023-09-26 03:006.774.63.3528.310.64.0
2023-09-26 02:008.176.63.3534.312.35.5
2023-09-26 01:0011.285.13.4547.314.27.7
2023-09-26 00:0014.078.93.5547.214.27.4
2023-09-25 23:0011.075.23.7535.212.86.3
2023-09-25 22:0013.170.83.5540.914.46.2
2023-09-25 21:0016.874.13.6562.917.78.1
2023-09-25 20:0019.483.13.6588.717.66.7
2023-09-25 19:0019.8106.53.7606.821.510.4
2023-09-25 18:0019.2108.13.7596.021.09.4
2023-09-25 17:0017.3105.44.2582.619.88.8
2023-09-25 16:0019.989.94.2586.619.97.1
2023-09-25 15:0020.690.15.3579.622.46.9
2023-09-25 14:0019.187.85.5583.816.24.7
2023-09-25 13:0018.1-4.2572.815.75.5
2023-09-25 12:0017.9-2.7561.119.76.9
2023-09-25 11:0018.7-2.7581.917.97.4
2023-09-25 10:0018.368.73.7593.417.18.3
2023-09-25 09:0013.158.23.4570.013.34.6
2023-09-25 08:0015.251.73.3575.910.63.1
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.