Southern
Date TimeNO2O3SO2COPM10PM2.5
2023-03-23 06:0022.925.07.8124.522.111.6
2023-03-23 05:0025.718.38.1121.520.611.3
2023-03-23 04:0018.027.57.4104.823.311.8
2023-03-23 03:0021.526.48.0124.126.013.2
2023-03-23 02:0024.626.58.2118.224.012.8
2023-03-23 01:0026.324.88.4113.420.010.3
2023-03-23 00:0023.326.17.5109.520.410.5
2023-03-22 23:0035.114.39.4116.723.811.7
2023-03-22 22:0041.45.39.4124.526.612.6
2023-03-22 21:0020.924.47.4137.023.87.6
2023-03-22 20:0022.325.87.5138.427.78.1
2023-03-22 19:0032.818.28.7148.927.911.1
2023-03-22 18:0039.013.97.6171.032.410.0
2023-03-22 17:0031.326.07.3145.031.210.4
2023-03-22 16:0031.226.27.7161.627.415.6
2023-03-22 15:0030.425.88.6143.324.917.1
2023-03-22 14:0025.728.37.1158.016.08.7
2023-03-22 13:0025.627.88.2177.614.86.3
2023-03-22 12:0025.629.08.6154.118.68.7
2023-03-22 11:0031.623.08.2158.022.98.9
2023-03-22 10:0026.129.07.8169.721.07.7
2023-03-22 09:0035.616.48.7149.416.55.4
2023-03-22 08:0032.017.67.3127.213.57.5
2023-03-22 07:0018.432.17.5116.417.812.6
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: 06:07 23-03-2023