Past 24 Hours Pollutant Concentration Summary

Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2019-07-21 03:0059.13.23.9615.322.013.1
2019-07-21 02:0062.53.83.5585.417.214.0
2019-07-21 01:0062.63.43.2556.318.08.2
2019-07-21 00:0059.83.72.8549.018.010.9
2019-07-20 23:0060.23.92.8608.218.08.1
2019-07-20 22:0056.77.12.4590.716.18.0
2019-07-20 21:0049.413.22.0529.117.09.0
2019-07-20 20:0065.35.92.7564.322.88.0
2019-07-20 19:0066.76.13.0596.714.39.9
2019-07-20 18:0056.614.72.7517.78.2-
2019-07-20 17:0042.029.32.2513.731.220.6
2019-07-20 16:0071.47.53.4697.029.116.2
2019-07-20 15:0076.36.03.8656.616.411.2
2019-07-20 14:0053.326.22.5585.815.012.0
2019-07-20 13:0040.733.85.5496.330.512.0
2019-07-20 12:0031.638.12.5469.225.212.0
2019-07-20 11:0023.641.71.9457.725.013.0
2019-07-20 10:0024.439.41.8447.727.914.0
2019-07-20 09:0036.029.42.3482.228.013.1
2019-07-20 08:0046.517.42.4525.432.813.0
2019-07-20 07:0053.37.12.8515.221.614.9
2019-07-20 06:0053.14.52.5543.222.912.1
2019-07-20 05:0049.87.92.5505.025.915.9
2019-07-20 04:0048.39.92.5474.422.117.0
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:03:07 21-07-2019