Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-06-09 22:0030.535.31.4517.48.15.9
2023-06-09 21:0038.929.11.5552.112.87.9
2023-06-09 20:0047.024.71.6595.914.06.1
2023-06-09 19:0042.129.31.5540.112.13.1
2023-06-09 18:0028.551.31.5483.99.14.0
2023-06-09 17:0020.166.01.6451.013.85.0
2023-06-09 16:0021.859.81.6467.317.95.0
2023-06-09 15:0025.554.01.7488.510.37.9
2023-06-09 14:0039.230.71.3535.69.04.1
2023-06-09 13:0026.748.11.2499.011.91.1
2023-06-09 12:0022.750.91.3492.410.12.0
2023-06-09 11:0026.136.91.2469.212.94.9
2023-06-09 10:0041.614.51.8599.77.25.0
2023-06-09 09:0042.06.32.2758.35.11.1
2023-06-09 08:0041.53.71.8694.03.1-
2023-06-09 07:0036.16.51.3578.64.9-
2023-06-09 06:0028.512.71.0489.22.1-
2023-06-09 05:0017.324.70.8440.74.91.9
2023-06-09 04:0019.922.50.8454.85.0-
2023-06-09 03:0010.735.40.9406.06.0-
2023-06-09 02:0026.617.91.4495.514.7-
2023-06-09 01:0034.65.91.5559.810.21.9
2023-06-09 00:0038.05.31.7585.811.03.9
2023-06-08 23:0043.43.41.7593.89.15.9
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 09-06-2023