The cleanest cities in Europe in terms of air quality during 2020 and 2021 were Umeå in Sweden, and Faro and Funchal in Portugal according to the updated European city air quality data viewer published by the European Environment Agency (EEA) today. In addition to the viewer, the EEA also published two reports looking at emissions of air pollutants, targeted by different EU and UNECE requirements. (Source: EEA)