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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2023-09-23 04:0021.663.54.5603.011.87.7
2023-09-23 03:0024.071.14.7572.214.29.8
2023-09-23 02:0028.469.43.7661.717.112.3
2023-09-23 01:0052.463.84.8685.718.513.3
2023-09-23 00:0057.456.54.1707.420.214.4
2023-09-22 23:0085.038.04.5785.922.616.4
2023-09-22 22:0084.038.94.9807.525.819.1
2023-09-22 21:0075.244.84.4805.237.527.9
2023-09-22 20:0092.841.14.6992.938.328.3
2023-09-22 19:00111.131.24.7973.632.222.6
2023-09-22 18:00121.039.35.1842.830.220.2
2023-09-22 17:00115.135.45.2870.233.720.5
2023-09-22 16:00130.030.26.2874.230.418.3
2023-09-22 15:00120.040.26.2797.325.015.1
2023-09-22 14:00123.429.96.9778.323.413.6
2023-09-22 13:00121.820.58.2804.826.414.8
2023-09-22 12:00113.312.88.9812.329.816.7
2023-09-22 11:00122.29.813.0957.129.116.4
2023-09-22 10:00102.28.311.1824.725.614.8
2023-09-22 09:0097.89.911.0851.323.014.4
2023-09-22 08:0085.47.710.7739.715.08.1
2023-09-22 07:0063.420.65.4641.912.76.8
2023-09-22 06:0068.218.15.4724.912.55.9
2023-09-22 05:0043.140.33.7593.315.89.0
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: 04:07 23-09-2023