Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2019-05-20 02:0013.929.27.4459.324.010.1
2019-05-20 01:0019.523.97.5483.324.013.9
2019-05-20 00:0021.925.27.5504.026.917.0
2019-05-19 23:0034.314.18.0536.629.913.1
2019-05-19 22:0029.321.27.7557.031.916.9
2019-05-19 21:0029.125.36.5549.332.018.0
2019-05-19 20:0039.518.76.4586.627.217.0
2019-05-19 19:0030.130.56.3577.832.815.1
2019-05-19 18:0035.231.26.8583.035.915.0
2019-05-19 17:0026.344.36.7580.530.214.0
2019-05-19 16:0024.549.36.6574.224.215.9
2019-05-19 15:0017.658.87.3549.730.815.0
2019-05-19 14:0017.456.86.3519.434.917.9
2019-05-19 13:0015.360.17.2499.432.119.9
2019-05-19 12:0017.459.57.5473.529.114.2
2019-05-19 11:0016.158.67.6479.131.919.8
2019-05-19 10:0018.554.47.5468.429.117.1
2019-05-19 09:0019.150.47.4468.932.915.1
2019-05-19 08:0026.839.47.6480.634.013.1
2019-05-19 07:0038.425.57.7515.124.311.1
2019-05-19 06:0037.121.57.8515.926.914.9
2019-05-19 05:0031.724.98.3498.427.09.2
2019-05-19 04:0011.043.412.8442.226.011.9
2019-05-19 03:0016.235.67.3482.727.013.0
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:02:07 20-05-2019