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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2024-05-05 06:0043.552.81.6557.59.35.3
2024-05-05 05:0035.359.01.4376.26.13.5
2024-05-05 04:0034.854.71.5411.26.94.8
2024-05-05 03:00-28.5--10.77.8
2024-05-05 02:0067.816.11.8711.612.19.1
2024-05-05 01:0068.922.62.0618.810.48.4
2024-05-05 00:0073.626.12.0572.111.89.7
2024-05-04 23:0082.125.32.3588.710.58.8
2024-05-04 22:0085.329.52.1638.914.012.0
2024-05-04 21:0098.423.52.5725.518.916.9
2024-05-04 20:00114.016.23.6620.216.414.8
2024-05-04 19:0099.831.32.6639.818.015.1
2024-05-04 18:0091.719.92.6664.817.613.4
2024-05-04 17:0081.726.92.3553.413.511.0
2024-05-04 16:0086.727.42.6595.818.114.1
2024-05-04 15:0091.926.22.5630.921.316.3
2024-05-04 14:0077.833.32.3508.016.813.0
2024-05-04 13:0069.841.21.9443.712.810.9
2024-05-04 12:0081.231.42.0545.213.410.2
2024-05-04 11:0090.621.22.6640.912.79.0
2024-05-04 10:00100.411.63.2778.47.16.2
2024-05-04 09:0093.715.82.5621.510.410.0
2024-05-04 08:0076.530.01.8519.66.36.0
2024-05-04 07:0058.454.51.4488.93.6-
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

Last revision date: 06:07 05-05-2024