Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2024-05-21 01:0051.235.91.9492.06.05.3
2024-05-21 00:0056.838.41.9482.66.04.6
2024-05-20 23:0062.332.52.1527.07.96.2
2024-05-20 22:0068.527.02.2524.213.111.3
2024-05-20 21:0078.722.32.3591.720.717.6
2024-05-20 20:0077.619.72.4655.423.518.6
2024-05-20 19:0083.417.52.5590.919.314.6
2024-05-20 18:0080.323.32.3524.816.011.1
2024-05-20 17:0081.723.62.6510.619.413.2
2024-05-20 16:0084.918.12.6527.321.815.4
2024-05-20 15:0076.929.02.2511.418.613.0
2024-05-20 14:0077.927.92.4543.016.112.1
2024-05-20 13:0063.533.32.1456.117.312.8
2024-05-20 12:0074.319.02.8562.518.413.6
2024-05-20 11:0064.220.02.9495.224.515.9
2024-05-20 10:0067.020.52.6487.822.315.1
2024-05-20 09:0067.218.12.4447.516.610.7
2024-05-20 08:0056.327.71.9378.013.89.6
2024-05-20 07:0041.438.11.6356.914.59.5
2024-05-20 06:0025.953.71.4379.013.39.0
2024-05-20 05:0025.956.61.4284.66.33.4
2024-05-20 04:0018.861.61.3230.56.03.8
2024-05-20 03:0017.765.51.3235.74.43.5
2024-05-20 02:0022.863.71.4309.74.73.7
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.

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Last revision date: 01:07 21-05-2024