Delphine Farmer, Colorado State University, Fort Collins, CO, United States, Ryan Fulgham, Colorado State University, Department of Chemistry, Fort Collins, United States, Dylan B Millet, University of Minnesota Twin Cities, St Paul, MN, United States, Hariprasad Dilip Alwe, University of Minnesota, Saint Paul, MN, United States, Allen H Goldstein, University of California Berkeley, Berkeley, CA, United States and Siegfried Schobesberger, University of Eastern Finland, Kuopio, Finland

Kelley C Wells¹, Dylan B Millet¹, Vivienne Payne², Malte Julian Deventer^3,4, Kelvin Hamilton Bates⁵, Joost de Gouw⁶, Martin Graus⁷, Carsten Warneke^8,9, Armin Wisthaler^7,10 and Jose D Fuentes¹¹, (1)University of Minnesota Twin Cities, St Paul, MN, United States, (2)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)University of Minnesota Twin Cities, Minneapolis, MN, United States, (4)University of Goettingen, Bioclimatology, Göttingen, Germany, (5)Harvard University, Cambridge, MA, United States, (6)University of Colorado at Boulder, Department of Chemistry, Boulder, United States, (7)University of Innsbruck, Innsbruck, Austria, (8)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (9)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (10)University of Oslo, Oslo, Norway, (11)Penn State University, Department of Meteorology and Atmospheric Science, University Park, PA, United States

Frederick Otu-Larbi¹, Conor Bolas², Zosia Staniaszek³, Neil Harris⁴, Roderic L Jones², Yadvinder Malhi⁵, Oliver Wild⁶, Valerio Ferracci⁷ and Kirsti Ashworth⁸, (1)University of Lancaster, Lancaster, United Kingdom, (2)University of Cambridge, Cambridge, United Kingdom, (3)Cambridge University, Cambridge, United Kingdom, (4)Cranfield University, Centre for Atmospheric Informatics and Emissions Technology, Cranfield, United Kingdom, (5)University of Oxford, School of Geography and the Environment, Oxford, United Kingdom, (6)Lancaster Environment Centre, Lancaster University, UK, Lancaster, United Kingdom, (7)Cranfield University, Cranfield, United Kingdom, (8)Lancaster University, Lancaster Environment Centre, Lancaster, United Kingdom

Tianlang Zhao¹, Jingqiu Mao¹, William R Simpson¹, Lei Zhu², Thomas F Hanisco³, Gonzalo Gonzalez Abad⁴ and Caroline R Nowlan⁴, (1)University of Alaska Fairbanks, Department of Chemistry and Biochemistry & Geophysical Institute, Fairbanks, AK, United States, (2)Southern University of Science and Technology, School of Environmental Science and Engineering, Shenzhen, China, (3)NASA Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Lab, Greenbelt, MD, United States, (4)Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States

Olivia Clifton and Edward G Patton, National Center for Atmospheric Research, Boulder, CO, United States

Eva Y Pfannerstill¹, Nina G. Reijrink^1,2, Achim Edtbauer¹, Akima Ringsdorf³, Nora Zannoni¹, Alessandro C De Araujo⁴, Florian Ditas⁵, Bruna A. Holanda⁵, Marta Sá⁶, Anywhere Tsokankunku¹, David Walter⁵, Stefan Wolff⁵, Jost V. Lavric⁷, Christopher Pöhlker⁵, Matthias Soergel¹ and Jonathan Williams^1,8, (1)Max Planck Institute for Chemistry, Atmospheric Chemistry Department, Mainz, Germany, (2)IMT Lille Douai, Département Sciences de l'Atmosphère et Génie de l'Environnement (SAGE), Douai, France, (3)Max Planck Institute for Chemistry, Mainz, Germany, (4)Brazilian Agricultural Research Corporation (EMBRAPA), Belem, PA, Brazil, (5)Max Planck Institute for Chemistry, Multiphase Chemistry Department, Mainz, Germany, (6)Instituto Nacional de Pesquisas da Amazônia (INPA), Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA), Manaus, Brazil, (7)Max Planck Institute for Biogeochemistry, Biogeochemical Processes Department, Jena, Germany, (8)Cyprus Institute, Energy, Environment and Water Research Center, Nicosia, Cyprus

Yaowei Li¹, Ben Liu², Jianhuai Ye³, Tianjiao Jia⁴, Jiayin Sun⁵, Cheng Wu⁶, Scot T. Martin³, Yongjie Li² and Qi Chen⁴, (1)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (2)University of Macau, Department of Civil and Environmental Engineering, Macau, China, (3)Harvard University, Cambridge, MA, United States, (4)Peking University, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Beijing, China, (5)Jinan university, Institute of Mass Spectrometer and Atmospheric Environment, Guangzhou, China, (6)Jinan University, Institute of Mass Spectrometer and Atmospheric Environment, Guangzhou, China

Deborah Fairbanks McGlynn¹, Graham Frazier², Sally Pusede³ and Gabriel A Isaacman-VanWertz¹, (1)Virginia Polytechnic Institute and State University, Civil and Environmental Engineering, Blacksburg, VA, United States, (2)Virginia Polytechnic Institute and State University, Chemistry, Blacksburg, VA, United States, (3)University of Virginia, Environmental Sciences, Charlottesville, VA, United States