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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-03-27 22:0028.018.91.8711.412.07.0
2023-03-27 21:0025.922.91.8726.68.06.0
2023-03-27 20:0030.719.32.0733.013.07.0
2023-03-27 19:0034.915.92.0741.817.06.0
2023-03-27 18:0035.918.12.2710.426.016.0
2023-03-27 17:0054.420.02.5693.229.017.0
2023-03-27 16:0056.828.22.4635.526.011.0
2023-03-27 15:0043.847.82.3587.019.013.0
2023-03-27 14:0044.648.52.5592.427.017.0
2023-03-27 13:0042.156.32.3571.031.03.0
2023-03-27 12:0042.051.72.3554.1--
2023-03-27 11:0034.260.02.0553.8--
2023-03-27 10:0029.066.22.0528.031.010.0
2023-03-27 09:0031.461.81.9553.832.013.9
2023-03-27 08:0024.771.71.9544.628.113.0
2023-03-27 07:0015.179.81.9510.115.410.1
2023-03-27 06:0016.550.81.9680.810.29.0
2023-03-27 05:0017.637.11.9704.68.17.1
2023-03-27 04:0019.116.71.9712.39.98.9
2023-03-27 03:0021.114.11.9731.417.98.0
2023-03-27 02:0024.312.22.1764.017.014.8
2023-03-27 01:0023.415.52.1740.423.911.1
2023-03-27 00:0028.214.62.1767.314.211.0
2023-03-26 23:0028.713.82.2794.317.9-
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: 22:07 27-03-2023