All official European Union website addresses are in the europa.eu domain.
See all EU institutions and bodiesTechnical report 7/2009
European countries have significantly reduced anthropogenic emissions of ozone precursor gases since 1990. In general, however, ambient air measurements in urban and rural areas of Europe do not show any downward trends in ground-level ozone. The main purpose of this report is to shed light on possible reasons.
EN PDF: TH-AK-09-007-EN-N - ISBN: 978-92-9213-003-9