Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-01-25 01:0022.155.51.5548.517.010.9
2022-01-25 00:0022.553.11.4573.316.011.0
2022-01-24 23:0021.657.31.4568.815.014.9
2022-01-24 22:0021.061.71.6568.921.916.9
2022-01-24 21:0040.443.51.7628.829.9-
2022-01-24 20:0061.827.62.4697.841.828.1
2022-01-24 19:0096.34.34.2795.337.128.0
2022-01-24 18:0084.711.73.5723.028.222.2
2022-01-24 17:0070.121.13.5678.543.723.9
2022-01-24 16:0068.728.43.0688.941.125.9
2022-01-24 15:0075.324.24.0726.735.121.2
2022-01-24 14:0075.812.15.9728.134.022.0
2022-01-24 13:0078.36.88.1785.457.626.8
2022-01-24 12:0082.73.09.2835.441.327.0
2022-01-24 11:0082.63.211.0923.630.229.9
2022-01-24 10:0076.82.09.3879.732.027.1
2022-01-24 09:0070.51.56.61,029.135.927.0
2022-01-24 08:0072.01.26.51,104.831.121.1
2022-01-24 07:0066.71.25.0963.719.2-
2022-01-24 06:0064.81.04.8864.523.919.0
2022-01-24 05:0068.11.04.8889.128.921.0
2022-01-24 04:0072.31.24.0781.830.021.0
2022-01-24 03:0068.31.15.1845.728.018.1
2022-01-24 02:0069.41.25.3864.223.115.1
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: 01:07 25-01-2022