Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-03-23 05:0042.02.913.2-19.813.5
2023-03-23 04:0046.51.715.8-22.715.7
2023-03-23 03:0043.04.315.2-22.516.0
2023-03-23 02:0046.33.514.1-20.113.7
2023-03-23 01:0048.22.313.0-18.112.2
2023-03-23 00:0049.11.913.9-18.713.1
2023-03-22 23:0049.61.915.1-19.412.8
2023-03-22 22:0045.62.212.8-21.314.1
2023-03-22 21:0049.22.913.9-24.816.0
2023-03-22 20:0058.61.615.7-30.318.6
2023-03-22 19:0060.51.113.7-29.116.3
2023-03-22 18:0059.92.412.1-25.113.4
2023-03-22 17:0058.22.311.8-26.614.8
2023-03-22 16:0057.22.712.0-26.314.0
2023-03-22 15:0049.34.911.2-20.59.2
2023-03-22 14:0047.15.611.4-21.211.6
2023-03-22 13:0051.35.112.4-19.911.6
2023-03-22 12:0053.64.914.1-23.313.9
2023-03-22 11:0054.72.816.5-18.58.8
2023-03-22 10:0053.93.115.3-19.211.5
2023-03-22 09:0055.62.117.1-15.58.5
2023-03-22 08:0054.32.115.8-19.112.9
2023-03-22 07:0050.73.012.2-16.010.5
2023-03-22 06:0050.14.812.0-17.010.9
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: 05:07 23-03-2023