Craig YA Poku¹, Andrew N Ross², Adrian A Hill³, Alan M Blyth¹ and Ben J Shipway³, (1)University of Leeds, Leeds, LS2, United Kingdom, (2)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (3)United Kingdom Met Office, Exeter, United Kingdom

Sachin Ganpat Patade¹, Vaughan T Phillips², Pierre Amato³, Heinz Bingemer⁴, Susannah M Burrows⁵, Paul J DeMott⁶, Fabio Luiz Teixeira Gonçalves⁷, Daniel Alexander Knopf⁸, Cindy E Morris⁹, Carl Alwmark¹⁰, Paulo Artaxo¹¹, Christopher Pöhlker¹², Jann Schrod¹³, Bettina Weber¹² and Paul J. DeMott, (1)Lund University, Department of Physical Geography, Lund, Sweden, (2)Lund University, Department of Physical Geography and Ecosystem Science, Lund, Sweden, (3)UMR 6296 CNRS-Université Blaise Pascal-ENSCCF, ICCF SEESIB, Aubière, France, (4)University of Frankfurt, Frankfurt, Germany, (5)Pacific Northwest National Laboratory, Richland, WA, United States, (6)Colorado State University, Fort Collins, CO, United States, (7)University of Sao Paulo, Sao Paulo, Brazil, (8)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States, (9)INRA, Plant Pathology Research Unit, PACA Research Center, Montfavet, France, (10)Department of Geology, Lund University, Lund, Sweden, (11)University of São Paulo, Physics Institute, São Paulo, Brazil, (12)Max Planck Institute for Chemistry, Multiphase Chemistry Department, Mainz, Germany, (13)J.W. Goethe University Frankfurt, Institute for Atmospheric and Environmental Sciences, Frankfurt am Main, Germany

Mingyi Wang¹, Guillaume Marie², Birte Rörup³, Ananth Ranjithkumar⁴, Sebastian Ehrhart⁵, Theodoros Christoudias⁶, Daniel Schlesinger⁷, Xucheng He⁸, Lubna Dada⁹, Rima Baalbaki³, Ruby Marten¹⁰, Mao Xiao¹¹, Houssni Lamkaddam¹⁰, Joschka Pfeifer¹², Hanna E. Manninen¹², Victoria Hofbauer¹³, Brandon Lopez¹³, Lee Mauldin¹⁴, Ilona Riipinen⁷, Ken S Carslaw⁴, Douglas R Worsnop¹⁵, Joachim Curtius², Andreas Kurten², Jasper Kirkby¹⁶, Imad El-Haddad¹⁷, Johannes Lelieveld¹⁸, Neil McPherson Donahue¹, Hamish Gordon¹⁹ and CLOUD consortium, (1)Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, PA, United States, (2)Goethe University Frankfurt, Institute for Atmospheric and Environmental Sciences, Frankfurt am Main, Germany, (3)Institute for Atmospheric and Earth System Research (INAR), University of Helsinki, Helsinki, Finland, (4)University of Leeds, Leeds, United Kingdom, (5)Max Planck Institute for Chemistry, Atmospheric Chemistry Department, Mainz, Germany, (6)Cyprus Institute, Nicosia, Cyprus, (7)Department of Applied Environmental Science, University of Stockholm, Stockholm, Sweden, (8)University of Helsinki, Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, Helsinki, Finland, (9)University of Helsinki, Helsinki, 00014, Finland, (10)Paul Scherrer Institute, Villingen, Switzerland, (11)Paul Scherrer Institute, 5232 Villigen, Switzerland, (12)CERN, the European Organization for Nuclear Research, Geneve, Switzerland, (13)Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, United States, (14)Pacific Northwest National Laboratory, Richland, WA, United States, (15)Aerodyne Research Inc., Billerica, MA, United States, (16)Goethe-University of Frankfurt, Institute for Atmospheric and Environmental Sciences, Frankfurt am Main, Germany, (17)Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, Villigen, Switzerland, (18)Max Planck Institute for Chemistry, Mainz, Germany, (19)CERN European Organization for Nuclear Research, Physics, Geneva, Switzerland

Philip Stier and Guy Dagan, University of Oxford, Department of Physics, Oxford, United Kingdom

Baptiste Testa¹, Paul J DeMott², Sonia M Kreidenweis³ and Thomas Christopher James Hill², (1)University of Lyon, Lyon, France, (2)Colorado State University, Fort Collins, CO, United States, (3)Colorado State University, Atmospheric Science, Fort Collins, CO, United States

Xuemei Wang¹, Dan Grosvenor², Hamish Gordon³, Meinrat O Andreae⁴ and Ken S Carslaw², (1)University of Leeds, Leeds, LS2, United Kingdom, (2)University of Leeds, Leeds, United Kingdom, (3)College of Engineering, Carnegie Mellon University, Pittsburgh, PA, United States, (4)Max Planck Institute for Chemistry, Biogeochemistry Department, Mainz, Germany

Lukas Muser¹, Ali Hoshyaripour¹, Julia Bruckert¹, Akos Horvath², Elizaveta Malinina³, Sandra Peglow⁴, Fred J Prata⁵, Alexej Rozanov⁶, Christian von Savigny⁴, Heike Vogel¹ and Bernhard Vogel¹, (1)Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Karlsruhe, Germany, (2)University of Hamburg, Hamburg, Germany, (3)University of Bremen, Intitute of Environmental Physics, Bremen, Germany, (4)University of Greifswald, Greifswald, Germany, (5)AIRES Pty. Ltd., Mt Eliza, Australia, (6)University of Bremen, Institute of Environmental Physics, Bremen, Germany

Peiwen Wang¹, Joseph C. Charnawskas¹, Benny Wong¹, Yijie Lu¹, Jay Mendoza Tomlin², Matthew W Fraund³, Daniel Bonanno³, Daniel Veghte⁴, Swarup China⁵, Nurun Nahar Lata⁶, Alexander Laskin², Ryan Moffet⁷, Jian Wang⁸, Josephine Y Aller¹ and Daniel Alexander Knopf¹, (1)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States, (2)Purdue University, Department of Chemistry, West Lafayette, IN, United States, (3)University of the Pacific, Stockton, CA, United States, (4)Pacific Northwest National Laboratory, William. R. Wiley Environmental Molecular Sciences Laboratory, Richland, WA, United States, (5)Pacific Northwest National Laboratory, Richland, WA, United States, (6)Michigan Technological University, Houghton, MI, United States, (7)Sonoma Technology, Inc., Petaluma, United States, (8)Washington University in St Louis, Center for Aerosol Science and Engineering, Department of Energy, Environmental and Chemical Engineering, St. Louis, MO, United States