Overview of the synoptic and pollution situation over Europe during the EUCAARI-LONGREX field campaign.

Birmili, W.; Burkhart, J.F.; Coe, H.; Dall'Osto, M.; Flentje, H.; Hamburger, T.; Henzing, B.; Junninen, H.; Krejci, R.; Kristensson, A.; McMeeking, G.; Minikin, A.; O'Dowd, C.; Petzold, A.; Stohl, A.; de Leeuw, G.