Exceedances of air quality objectives due to traffic measured in traffic stations and background stations

Figure Created 09 Nov 2015 Published 08 Feb 2016 Last modified 18 Feb 2016
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The figure shows the annual mean and back ground concentrations of NO2, PM10 and PM2.5 observed at traffic stations in 2013. The two highest PM10 concentration classes (dark orange and light orange) correspond to the 2005 annual LV (40 μg/m3) and to a statistically derived level (31 μg/m3) corresponding to the 2005 daily LV. The lowest class corresponds to the WHO air quality guideline for PM10 of 20 μg/m3.

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