Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-07-04 16:0024.030.42.0407.230.015.9
2022-07-04 15:0022.034.91.8406.633.915.0
2022-07-04 14:0022.338.01.9412.433.018.0
2022-07-04 13:0023.636.71.9414.232.015.1
2022-07-04 12:0029.128.92.1400.830.011.1
2022-07-04 11:0027.630.51.7406.727.114.9
2022-07-04 10:0030.229.51.8411.525.013.0
2022-07-04 09:0027.732.51.8404.125.012.0
2022-07-04 08:0024.331.11.7420.822.111.0
2022-07-04 07:0014.536.11.7390.022.09.0
2022-07-04 06:007.641.51.7367.219.111.0
2022-07-04 05:004.344.71.4363.723.910.0
2022-07-04 04:006.542.41.5350.527.010.0
2022-07-04 03:005.943.71.7350.823.111.0
2022-07-04 02:004.945.91.6354.721.09.0
2022-07-04 01:008.443.01.7358.022.012.9
2022-07-04 00:0010.041.01.6365.333.89.1
2022-07-03 23:0012.039.81.5383.028.28.0
2022-07-03 22:0012.738.51.5396.131.911.0
2022-07-03 21:0016.534.11.8397.133.014.0
2022-07-03 20:0017.432.41.6418.736.914.0
2022-07-03 19:0016.532.51.8410.829.115.0
2022-07-03 18:0014.534.01.8406.730.012.1
2022-07-03 17:0011.438.61.7390.931.011.0
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: 16:07 04-07-2022