In situ, satellite measurement and model evidence on the dominant regional contribution to fine particulate matter levels in the Paris megacity

Matthias Beekmann, André S.H. Prévôt, Frank Drewnick, Jean Sciare, Spyros N. Pandis, Hugo A.C. Denier Van Der Gon, Monica Crippa, Friederike Freutel, Laurent Poulain, Véronique Ghersi, Edith Morales Rodríguez, Steffen Beirle, Peter Zotter, Sarah-Lena Von Der Weiden-Reinmüller, Michaël Bressi, Christos I. Fountoukis, Herve Petetin, Sönke Szidat, Johannes K. Schneider, Amandine Rosso, Imad El Haddad, Athanasios G. Megaritis, Qijie Zhang, Vincent Michoud, Jay G. Slowik, Sophie Moukhtar, Pekka Kolmonen, Andreas Stohl, Sabine Eckhardt, Agnès Borbon, Valérie Gros, Nicholas Marchand, Jeań Luc Jaffrezo, Alfons Schwarzenböeck, Aurélie Colomb, Alfred Wiedensohler, Stephan Borrmann, Mark G. Lawrence, Alexander Anatolievich Baklanov, Urs Baltensperger