Exceedance of the EU human health threshold value for ozone in EEA18 urban areas

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 29 Nov 2012, 11:38 AM
The threshold for ground level ozone is currently set at eight hours at a mean concentration of 110?3



Additional information

The number of days where this level was exceeded fluctuates significantly.

European Environment Agency (EEA)
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1050 Copenhagen K
Phone: +45 3336 7100