Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2022-12-01 18:0068.96.710.1527.633.816.2
2022-12-01 17:0065.56.88.5469.032.813.6
2022-12-01 16:0063.87.66.5460.226.611.3
2022-12-01 15:0067.98.47.2516.722.510.8
2022-12-01 14:0073.27.77.8507.028.615.7
2022-12-01 13:0060.07.27.3544.930.715.7
2022-12-01 12:0063.36.86.9544.325.512.8
2022-12-01 11:0046.27.24.9460.623.912.5
2022-12-01 10:0051.95.86.1561.715.26.6
2022-12-01 09:0050.65.56.2455.816.89.0
2022-12-01 08:0047.05.74.4366.512.46.6
2022-12-01 07:0030.38.32.0293.414.39.0
2022-12-01 06:0025.210.11.8289.15.72.1
2022-12-01 05:0025.69.61.1285.212.25.3
2022-12-01 04:00-11.0--3.91.6
2022-12-01 03:0027.58.21.3373.98.54.3
2022-12-01 02:0034.77.02.0395.922.112.8
2022-12-01 01:0039.56.02.3472.924.412.3
2022-12-01 00:0039.97.13.4549.815.77.4
2022-11-30 23:0045.46.44.5586.714.58.1
2022-11-30 22:0047.97.34.2589.821.311.8
2022-11-30 21:0046.68.64.1643.224.614.0
2022-11-30 20:0049.17.17.4780.630.315.4
2022-11-30 19:0055.48.25.0869.534.816.1
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: 18:07 01-12-2022