Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2022-05-26 22:0078.49.64.7660.332.123.3
2022-05-26 21:0078.812.74.0704.233.122.1
2022-05-26 20:0077.912.94.4780.628.418.7
2022-05-26 19:0082.710.34.4632.634.923.2
2022-05-26 18:0075.010.34.5707.133.322.6
2022-05-26 17:0060.523.32.8440.132.822.6
2022-05-26 16:0070.917.13.9558.829.720.1
2022-05-26 15:0070.616.73.8498.128.420.7
2022-05-26 14:0070.717.13.4477.225.317.2
2022-05-26 13:0062.819.93.1414.828.516.0
2022-05-26 12:0067.115.83.6456.830.720.0
2022-05-26 11:0067.57.53.7622.929.920.7
2022-05-26 10:0072.54.86.7725.728.220.6
2022-05-26 09:0061.54.45.3583.325.221.0
2022-05-26 08:0060.85.23.8431.823.919.1
2022-05-26 07:0047.314.42.5356.517.612.4
2022-05-26 06:0039.68.62.6516.811.26.2
2022-05-26 05:0028.614.21.9370.615.98.2
2022-05-26 04:0030.018.52.2352.614.07.3
2022-05-26 03:0031.120.61.9324.613.36.4
2022-05-26 02:0042.114.52.5367.915.88.5
2022-05-26 01:0056.011.73.5610.618.612.8
2022-05-26 00:0059.912.13.7560.820.014.6
2022-05-25 23:0049.721.62.8490.225.618.3
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: 22:07 26-05-2022