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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-06-05 11:0025.029.31.6485.420.34.2
2023-06-05 10:0025.326.21.2506.017.15.9
2023-06-05 09:0027.819.81.2571.715.17.9
2023-06-05 08:0035.711.91.1589.45.3-
2023-06-05 07:0024.622.80.7492.114.79.9
2023-06-05 06:0010.234.30.7498.616.911.9
2023-06-05 05:007.837.10.8439.918.910.1
2023-06-05 04:0014.931.91.3417.924.810.0
2023-06-05 03:0011.635.91.1420.418.27.1
2023-06-05 02:0012.734.81.1415.615.17.0
2023-06-05 01:0018.528.11.4432.619.88.9
2023-06-05 00:0020.627.81.1449.815.28.0
2023-06-04 23:0021.129.61.1468.411.19.0
2023-06-04 22:0019.731.11.0468.119.78.0
2023-06-04 21:0017.237.20.9478.017.111.9
2023-06-04 20:0019.738.01.1471.818.05.2
2023-06-04 19:0018.840.71.3452.415.16.9
2023-06-04 18:0014.947.31.1444.013.17.0
2023-06-04 17:0014.551.51.2441.814.08.9
2023-06-04 16:0012.358.61.4430.213.06.1
2023-06-04 15:008.663.61.0430.514.97.9
2023-06-04 14:008.874.01.1428.412.18.0
2023-06-04 13:0016.660.91.8496.612.09.0
2023-06-04 12:0017.557.31.7477.912.0-
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: 11:07 05-06-2023