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Figure

Annual mean PM10 concentrations observed at background stations

Figure Created 17 Feb 2016 Published 15 Mar 2016 Last modified 15 Mar 2016
1 min read
The figure shows the background concentrations of PM10 observed at traffic stations in 2013. The two highest PM10 concentration classes (dark orange and light orange) correspond to the 2005 annual limit value (40 μg/m3) and to a statistically derived level (31 μg/m3) corresponding to the 2005 daily limit value. The lowest class corresponds to the WHO air quality guideline for PM10 of 20 μg/m3.
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