In 2008 the new European Air Quality Directive (AQD) (2008/50/EC) replaced earlier Directives simplifying and reorganizing existing provisions and introducing new ones. Whilst previous Directives have based assessment and reporting largely on measurement data, In 2008 the new European Air Quality Directive (AQD) (2008/50/EC) replaced earlier Directives simplifying and reorganizing existing provisions and introducing new ones. Whilst previous Directives have based assessment and reporting largely on measurement data
