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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2023-02-05 18:0071.322.43.3690.425.919.2
2023-02-05 17:0073.122.53.5715.728.621.8
2023-02-05 16:0075.323.33.9694.424.618.8
2023-02-05 15:0075.526.33.4667.530.024.3
2023-02-05 14:0073.525.83.5649.731.125.5
2023-02-05 13:0061.429.93.2659.335.329.2
2023-02-05 12:0057.627.73.2694.135.229.7
2023-02-05 11:0056.426.23.2662.936.929.7
2023-02-05 10:0059.022.23.4685.242.130.1
2023-02-05 09:0057.023.93.3602.039.625.9
2023-02-05 08:0051.528.92.9547.835.120.8
2023-02-05 07:0041.036.42.5552.937.625.2
2023-02-05 06:0034.545.12.4630.935.624.5
2023-02-05 05:0027.950.12.4541.137.928.1
2023-02-05 04:0019.756.42.5501.437.227.0
2023-02-05 03:0023.0-2.7535.341.730.8
2023-02-05 02:0029.252.62.5582.042.228.0
2023-02-05 01:0035.450.42.4530.548.031.2
2023-02-05 00:0038.054.02.5502.945.729.9
2023-02-04 23:0056.545.72.9554.344.729.1
2023-02-04 22:0070.239.73.0591.453.037.2
2023-02-04 21:0081.032.03.4758.861.244.8
2023-02-04 20:0087.929.04.0771.561.044.9
2023-02-04 19:0096.724.24.3802.549.833.6
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 05-02-2023