Monitoring of long-range transported air pollutants in Norway

This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2019, and focuses on main components in air and precipitation, particulate and gaseous phase of inorganic constituents, particulate carbonaceous matter, ground level ozone and particulate matter. In 2019, it was an unusual wide-spread episode during April causing high concentrations of most pollutants at several sites.