Article 2 Subject matter

defining and establishing objectives for ambient air quality designed to avoid, prevent or reduce harmful effects on human health and the environment;

setting common methods and criteria to assess the ambient air quality in Member States;

monitoring current ambient air quality and long-term trends as well as impacts of Union and national measures on ambient air quality;

ensuring that information on ambient air quality is comparable across the Union and made available to the public;

maintaining air quality where it is good and improving it in other cases;

promoting increased cooperation between Member States and their competent authorities and bodies in reducing air pollution.