In summer 2004, the levels of ground-level ozone were high in southern Europe with widespread exceedances of the information threshold value (180 µg/m3), as laid down in the ozone directive (2002/3/EC). The exceedances of the information threshold were similar to earlier years, except for...

In summer of 2005 levels of ground-level ozone were high in southern Europe with widespread exceedances of the information threshold value (180 micro g/m3) laid down in the ozone directive (2002/3/EC). The frequency of exceedances of the information threshold was similar to earlier years, except...