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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-09-27 09:0041.434.75.4531.224.210.3
2022-09-27 08:0040.730.14.9537.028.87.1
2022-09-27 07:0026.745.14.0490.525.18.9
2022-09-27 06:0010.864.13.9470.023.110.9
2022-09-27 05:007.376.34.0452.723.012.0
2022-09-27 04:006.878.54.0424.619.113.0
2022-09-27 03:0011.672.14.1455.423.811.1
2022-09-27 02:0014.666.14.0459.925.012.9
2022-09-27 01:007.983.54.0452.928.914.0
2022-09-27 00:009.586.73.8463.823.215.0
2022-09-26 23:009.794.43.6455.828.87.3
2022-09-26 22:0010.199.83.9451.231.914.7
2022-09-26 21:0027.295.84.5522.443.619.8
2022-09-26 20:0038.697.74.6600.351.722.9
2022-09-26 19:0072.682.16.3657.944.319.1
2022-09-26 18:0054.3105.16.3570.845.021.9
2022-09-26 17:0040.7160.56.2554.482.739.4
2022-09-26 16:0054.7231.66.3669.558.933.2
2022-09-26 15:0036.1205.35.2626.348.329.1
2022-09-26 14:0030.0169.45.2590.754.827.1
2022-09-26 13:0033.4163.25.6581.756.924.1
2022-09-26 12:0029.2148.75.5597.156.028.8
2022-09-26 11:0039.3122.25.6580.450.220.3
2022-09-26 10:0050.985.65.0571.042.319.0
Remarks:

(1) Time shown is in Hong Kong time.

(2) NO2 - nitrogen dioxide, O3 - ozone,
     SO2 - sulphur dioxide, CO - carbon monoxide,
     PM10 - respirable suspended particulates,
     PM2.5 - fine suspended particulates

(3) Concentration shown is in µg/m3.

(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: 09:07 27-09-2022