Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2024-04-19 17:0015.752.91.9-16.69.1
2024-04-19 16:0024.941.82.0-19.311.3
2024-04-19 15:0021.148.72.1-19.712.0
2024-04-19 14:0019.245.92.1-15.38.9
2024-04-19 13:0011.053.81.9-16.39.4
2024-04-19 12:0012.249.71.9-21.113.8
2024-04-19 11:0017.844.42.3-16.810.2
2024-04-19 10:0022.540.92.0-15.69.9
2024-04-19 09:0023.037.41.9-14.79.9
2024-04-19 08:0017.737.21.9-15.211.4
2024-04-19 07:0011.840.11.7-13.810.0
2024-04-19 06:006.245.91.7-10.97.5
2024-04-19 05:004.248.31.7-12.99.2
2024-04-19 04:005.446.91.9-12.68.7
2024-04-19 03:006.446.01.7-13.09.3
2024-04-19 02:009.043.41.7-12.78.9
2024-04-19 01:0019.337.41.9-14.810.2
2024-04-19 00:0038.941.22.1-15.09.1
2024-04-18 23:0045.348.62.2-12.76.2
2024-04-18 22:0058.739.82.5-17.310.6
2024-04-18 21:00109.210.65.4-13.58.1
2024-04-18 20:0073.548.62.7-6.73.4
2024-04-18 19:0028.795.31.8-7.95.5
2024-04-18 18:0026.0107.01.9-14.86.9
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 19-04-2024