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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2024-04-27 05:0026.025.13.9640.726.011.1
2024-04-27 04:0023.427.33.8600.426.013.9
2024-04-27 03:0023.426.23.7607.720.212.1
2024-04-27 02:0024.723.43.7607.824.918.8
2024-04-27 01:0031.718.43.7629.631.915.1
2024-04-27 00:0029.023.53.6638.327.114.0
2024-04-26 23:0035.516.04.0647.926.015.9
2024-04-26 22:0034.318.13.9649.627.014.1
2024-04-26 21:0044.68.34.1698.130.925.6
2024-04-26 20:0044.38.04.3707.728.120.2
2024-04-26 19:0043.08.54.3693.728.011.3
2024-04-26 18:0040.611.04.1656.128.012.9
2024-04-26 17:0028.519.84.0605.523.113.0
2024-04-26 16:0024.525.53.9602.621.014.9
2024-04-26 15:0032.320.54.0640.921.014.0
2024-04-26 14:0051.516.44.4787.221.010.1
2024-04-26 13:0085.29.94.7948.815.111.0
2024-04-26 12:0083.115.94.0875.418.914.9
2024-04-26 11:0077.121.33.9867.311.10.5
2024-04-26 10:0041.455.93.6724.420.816.4
2024-04-26 09:0037.212.24.0668.315.19.3
2024-04-26 08:0034.98.63.9703.920.911.9
2024-04-26 07:0032.910.13.9670.617.19.1
2024-04-26 06:0024.619.83.6660.518.017.7
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: 05:07 27-04-2024