xmlns:atom="http://www.w3.org/2005/Atom"
This Directive lays down measures aimed at the following:
defining and establishing objectives for ambient air quality designed to avoid, prevent or reduce harmful effects on human health and the environment as a whole;
assessing the ambient air quality in Member States on the basis of common methods and criteria;
obtaining information on ambient air quality in order to help combat air pollution and nuisance and to monitor long-term trends and improvements resulting from national and Community measures;
ensuring that such information on ambient air quality is made available to the public;
maintaining air quality where it is good and improving it in other cases;
promoting increased cooperation between the Member States in reducing air pollution.