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Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2024-04-28 17:0026.682.31.2-12.37.5
2024-04-28 16:0033.278.31.3-7.53.6
2024-04-28 15:0027.184.81.3-5.74.0
2024-04-28 14:0023.390.81.2-4.92.2
2024-04-28 13:0021.895.91.1-12.25.7
2024-04-28 12:0020.2101.91.1-14.55.7
2024-04-28 11:0022.192.21.1-17.05.7
2024-04-28 10:0019.993.71.1-11.32.2
2024-04-28 09:0013.1100.11.1-6.42.2
2024-04-28 08:0010.8102.01.1-8.14.4
2024-04-28 07:0014.989.51.2-9.33.2
2024-04-28 06:0010.674.21.2-15.85.3
2024-04-28 05:0010.632.51.3-16.97.2
2024-04-28 04:0010.034.41.4-11.52.7
2024-04-28 03:0014.728.01.4-15.03.7
2024-04-28 02:0019.723.41.5-15.54.2
2024-04-28 01:00-27.7--13.53.1
2024-04-28 00:0011.828.21.1-16.65.5
2024-04-27 23:0011.032.41.2-19.97.0
2024-04-27 22:0014.428.51.1-18.45.4
2024-04-27 21:0016.025.11.3-20.88.0
2024-04-27 20:0021.720.81.5-23.49.9
2024-04-27 19:0028.814.11.4-23.29.9
2024-04-27 18:0024.622.01.4-21.68.8
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: 17:07 28-04-2024