Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-02-08 04:00----10.59.2
2023-02-08 03:006.772.33.4-9.97.6
2023-02-08 02:0010.670.23.6-10.97.7
2023-02-08 01:0017.0-3.9-15.711.9
2023-02-08 00:0022.053.13.9-19.616.7
2023-02-07 23:0035.144.24.5-23.219.3
2023-02-07 22:0058.721.75.2-23.617.4
2023-02-07 21:0079.35.36.6-25.217.9
2023-02-07 20:0080.74.29.0-24.717.7
2023-02-07 19:0091.14.613.5-27.320.0
2023-02-07 18:0093.24.917.4-22.916.0
2023-02-07 17:0085.78.115.0-25.017.7
2023-02-07 16:0089.07.725.3-27.318.9
2023-02-07 15:0079.210.314.1-29.619.6
2023-02-07 14:0083.87.917.2-35.522.3
2023-02-07 13:0091.06.324.7-43.427.3
2023-02-07 12:00100.84.929.2-42.627.3
2023-02-07 11:0094.75.019.0-35.123.0
2023-02-07 10:0076.44.513.1-26.618.5
2023-02-07 09:0065.74.87.7-21.616.3
2023-02-07 08:0063.24.67.1-13.511.6
2023-02-07 07:0039.413.24.5-11.710.3
2023-02-07 06:0019.130.34.0-10.48.9
2023-02-07 05:0013.038.53.8-9.28.8
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: 04:07 08-02-2023