translate English to French: These are the 15 EU Member States; Iceland, Norway and Liechtenstein, which are members of the European Economic Area; the 12 EU accession countries, namely Bulgaria, Cyprus, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland (since 1 January 2003), Romania, Slovenia and the Slovak Republic.
Les pics d'ozone concernaient une grande partie de l'Europe incluant l'Autriche, la Belgique, la France, l'Allemagne, la Grèce, l'Italie, les Pays-Bas, le Portugal, la Roumanie, la Slovénie et la Suisse.