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Date TimeNO2O3SO2COPM10PM2.5
2024-04-25 01:00----18.24.4
2024-04-25 00:002.8124.61.3337.033.315.8
2024-04-24 23:005.2107.61.4351.813.36.5
2024-04-24 22:0010.398.71.5393.518.914.6
2024-04-24 21:0012.298.81.5417.015.911.1
2024-04-24 20:004.367.91.4411.014.410.9
2024-04-24 19:008.3106.91.5403.413.412.2
2024-04-24 18:003.990.41.2373.116.413.3
2024-04-24 17:008.298.21.6377.620.216.4
2024-04-24 16:0018.996.93.6408.217.314.0
2024-04-24 15:0018.888.23.1441.311.08.3
2024-04-24 14:0025.379.22.9479.716.912.0
2024-04-24 13:0024.765.03.3499.315.611.1
2024-04-24 12:0024.854.42.1523.610.56.2
2024-04-24 11:0012.156.31.4500.916.010.2
2024-04-24 10:0015.138.91.6440.816.010.3
2024-04-24 09:0018.123.61.5471.69.66.9
2024-04-24 08:0010.423.91.4379.010.97.8
2024-04-24 07:004.522.71.0335.09.02.9
2024-04-24 06:003.025.31.3336.04.01.1
2024-04-24 05:002.424.91.2325.09.52.5
2024-04-24 04:002.116.91.2324.512.94.9
2024-04-24 03:002.834.61.1317.212.05.6
2024-04-24 02:007.333.51.2307.011.74.6
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: 01:07 25-04-2024