Mihalis Vrekoussis^1,2, Jean Sciare¹, Johannes Lelieveld³, Philippe Ciais⁴, Markku Tapio Kulmala⁵ and The EMME-CARE team, (1)The Cyprus Institute, Nicosia, Cyprus, (2)University of Bremen, Bremen, Germany, (3)Max Planck Institute for Chemistry, Mainz, Germany, (4)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (5)University of Helsinki, Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, Helsinki, Finland