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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2022-01-23 00:0021.156.91.3516.67.06.0
2022-01-22 23:0020.258.01.4512.79.98.0
2022-01-22 22:0032.546.01.6535.913.99.0
2022-01-22 21:0052.028.02.2608.017.08.0
2022-01-22 20:0070.111.82.9635.514.17.0
2022-01-22 19:0081.92.14.0663.719.89.0
2022-01-22 18:0077.96.04.4652.324.812.0
2022-01-22 17:0073.39.54.0622.115.214.0
2022-01-22 16:0072.88.83.6637.414.010.1
2022-01-22 15:0065.912.33.2647.611.1-
2022-01-22 14:0062.214.13.1680.210.08.1
2022-01-22 13:0062.010.93.1660.112.98.0
2022-01-22 12:0068.25.64.4734.614.98.0
2022-01-22 11:0065.65.43.5677.212.18.0
2022-01-22 10:0062.25.53.2700.021.719.8
2022-01-22 09:0058.47.53.0669.821.018.0
2022-01-22 08:0062.16.73.0645.018.114.1
2022-01-22 07:0041.328.11.8665.517.016.0
2022-01-22 06:0020.849.81.3591.318.917.0
2022-01-22 05:0015.758.01.2579.123.817.0
2022-01-22 04:0017.258.31.2567.718.2-
2022-01-22 03:0016.164.71.4563.217.0-
2022-01-22 02:0024.854.31.2591.321.819.0
2022-01-22 01:0030.849.71.4603.917.2-
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: 00:07 23-01-2022