Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2021-10-16 17:0048.469.64.9744.330.117.9
2021-10-16 16:0038.981.44.7720.936.911.1
2021-10-16 15:0036.891.34.8694.232.117.9
2021-10-16 14:0034.098.25.0715.835.015.1
2021-10-16 13:0037.692.05.0792.343.919.9
2021-10-16 12:0036.173.65.2813.633.224.9
2021-10-16 11:0036.344.65.3877.739.922.1
2021-10-16 10:0037.525.85.5881.129.221.0
2021-10-16 09:0031.621.45.4823.424.121.0
2021-10-16 08:0024.822.45.0781.727.911.2
2021-10-16 07:0019.125.74.7730.131.017.9
2021-10-16 06:0020.023.64.7698.629.017.0
2021-10-16 05:0021.121.34.7719.930.017.0
2021-10-16 04:0016.925.84.8630.727.120.9
2021-10-16 03:0038.110.94.7703.625.012.2
2021-10-16 02:0040.45.04.9710.421.111.0
2021-10-16 01:0033.811.54.8672.718.112.0
2021-10-16 00:0037.29.84.8679.317.012.0
2021-10-15 23:0038.87.84.5704.723.916.9
2021-10-15 22:0042.78.14.7749.623.018.0
2021-10-15 21:0056.13.15.4897.717.1-
2021-10-15 20:0058.74.35.5813.417.012.1
2021-10-15 19:0063.03.55.8801.715.010.0
2021-10-15 18:0050.412.75.0666.69.1-
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: 17:07 16-10-2021