Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-01-27 07:0051.822.41.7808.227.022.0
2022-01-27 06:0033.941.01.6818.129.923.9
2022-01-27 05:0023.254.31.5728.031.020.1
2022-01-27 04:0019.263.61.3709.733.923.9
2022-01-27 03:0029.051.71.5749.234.026.9
2022-01-27 02:0053.824.81.8836.438.932.8
2022-01-27 01:0073.610.42.4901.736.133.0
2022-01-27 00:0083.810.53.3908.839.932.0
2022-01-26 23:0093.07.83.1898.944.930.1
2022-01-26 22:0097.94.64.2859.438.131.0
2022-01-26 21:00102.11.56.8867.038.028.1
2022-01-26 20:00102.22.16.5821.040.024.1
2022-01-26 19:00106.91.97.7804.643.023.0
2022-01-26 18:0095.811.67.0774.241.024.0
2022-01-26 17:0082.525.44.1769.642.021.1
2022-01-26 16:0079.027.94.5767.737.127.8
2022-01-26 15:0065.737.93.6747.640.924.1
2022-01-26 14:0059.341.23.9758.844.924.0
2022-01-26 13:0065.026.14.8794.740.124.0
2022-01-26 12:0060.126.33.1810.032.125.0
2022-01-26 11:0062.019.83.9837.626.121.1
2022-01-26 10:0048.024.52.6821.231.918.1
2022-01-26 09:0043.818.32.1859.829.126.7
2022-01-26 08:0055.94.43.8996.920.217.3
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: 07:07 27-01-2022