Causeway Bay
Date TimeNO2O3SO2COPM10PM2.5
2022-01-27 07:0057.440.62.7770.029.822.1
2022-01-27 06:0036.061.12.2621.725.921.0
2022-01-27 05:0039.054.92.11,035.224.819.4
2022-01-27 04:00-58.7--24.218.3
2022-01-27 03:0029.363.52.0637.124.416.7
2022-01-27 02:0039.357.92.11,024.030.019.7
2022-01-27 01:0051.053.62.7678.536.424.4
2022-01-27 00:0077.835.83.7807.042.729.1
2022-01-26 23:0069.647.83.0706.147.633.0
2022-01-26 22:0045.067.62.8647.951.734.0
2022-01-26 21:0062.356.13.1759.855.036.0
2022-01-26 20:0063.550.43.6870.450.633.0
2022-01-26 19:0068.648.63.7957.943.227.3
2022-01-26 18:0071.344.33.6970.344.228.9
2022-01-26 17:0087.634.34.6867.549.133.3
2022-01-26 16:0085.231.04.31,007.150.133.2
2022-01-26 15:0078.539.24.0786.140.025.9
2022-01-26 14:0078.132.64.2741.835.624.1
2022-01-26 13:0073.731.84.4786.649.533.9
2022-01-26 12:0069.531.93.4753.953.935.3
2022-01-26 11:0065.823.33.6854.845.228.2
2022-01-26 10:0071.116.75.2887.642.829.3
2022-01-26 09:0079.011.05.4894.036.326.1
2022-01-26 08:0071.617.83.7793.834.022.5
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: 07:07 27-01-2022