Allison Moon¹, Leyang Liu², Xuan Wang², Yuk Chun Chan¹, Gordon Novak³, Alyson Fritzmann⁴, Ryan Pound⁵, Amy Lees⁶, Lewis Marden⁵, Mathew J Evans⁵, Lucy Carpenter⁵, Jochen Stutz⁴, Joel A Thornton¹, Drew Rollins³, Gregory P Schill³, Xucheng He⁷, Henning Finkenzeller^8,9, Mago Reza¹⁰, Rainer M Volkamer¹¹, Kelvin Bates¹², Alfonso Saiz-Lopez¹³, Anoop Sharad Mahajan¹⁴ and Becky Alexander¹, (1)University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, (2)City University of Hong Kong, School of Energy and Environment, Hong Kong, Hong Kong, (3)NOAA Chemical Sciences Laboratory, Boulder, United States, (4)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (5)University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, United Kingdom, (6)University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, YO10, United Kingdom, (7)University of Helsinki, Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, Helsinki, Finland, (8)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (9)University of Helsinki, Helsinki, Finland, (10)University of Colorado at Boulder, Department of Chemistry, Boulder, United States, (11)University of Colorado Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, United States, (12)University of Colorado Boulder, Department of Mechanical Engineering, Boulder, United States, (13)Spanish National Research Council, Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano (CSIC), Madrid, Spain, (14)Indian Institute of Tropical Meteorology, Centre for Climate Change Research, Pune, India