Eastern
Date TimeNO2O3SO2COPM10PM2.5
2023-09-23 12:0023.073.41.9-13.18.1
2023-09-23 11:0022.559.82.1-12.99.0
2023-09-23 10:0024.044.61.8-15.310.7
2023-09-23 09:0028.446.01.8-14.59.6
2023-09-23 08:0026.143.72.1-14.39.7
2023-09-23 07:0027.057.12.3-17.912.9
2023-09-23 06:0019.471.52.1-17.212.3
2023-09-23 05:0018.668.01.8-13.09.3
2023-09-23 04:0016.072.71.5-12.48.8
2023-09-23 03:0016.581.81.6-16.011.9
2023-09-23 02:0021.186.01.5-17.212.8
2023-09-23 01:0022.094.51.5-21.016.1
2023-09-23 00:0025.6100.51.7-21.115.8
2023-09-22 23:0028.297.31.7-18.512.8
2023-09-22 22:0036.489.72.2-18.113.0
2023-09-22 21:0031.289.51.6-18.913.3
2023-09-22 20:0042.981.01.4-18.213.6
2023-09-22 19:0047.183.11.2-18.313.8
2023-09-22 18:0045.1106.91.7-17.712.5
2023-09-22 17:0053.490.41.6-20.814.3
2023-09-22 16:0040.899.01.4-21.214.3
2023-09-22 15:0037.091.01.5-20.911.9
2023-09-22 14:0037.293.41.4-17.411.0
2023-09-22 13:0034.090.21.4-15.310.6
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: 12:07 23-09-2023