Lavinia Constantina Onel¹, Lisa Whalley^1,2, Ze Qin¹ and Dwayne E Heard¹, (1)University of Leeds, School of Chemistry, Leeds, United Kingdom, (2)National Centre for Atmospheric Science, School of Chemistry, University of Leeds, Leeds, United Kingdom

Christopher M Kenseth¹, Matthieu Riva², Michael Kamrath², Henrik Kjaergaard³ and Joel A Thornton¹, (1)University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, (2)Tofwerk, Thun, Switzerland, (3)University of Copenhagen, Department of Chemistry, Copenhagen, Denmark

Loknath Dhar, Utah State University, Logan, UT, United States and Seth N Lyman, Utah State University, Bingham Research Center, Logan, UT, United States

Bamunusinghe Wimalarathne, Rutgers University New Brunswick, New Brunswick, NJ, United States

Yimu Zhang, Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department, Leipzig, Germany, Thomas Schaefer, Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department (ACD), Permoserstraße 15, Leipzig, Germany and Hartmut Herrmann, Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department (ACD), Leipzig, Germany

Hannah Schaefer Kenagy, University of Minnesota, Chemistry, Minneapolis, United States, Elinor Caballero, University of Minnesota Twin Cities, Minneapolis, United States, Nadia Tahsini, Massachusetts Institute of Technology, Chemical Engineering, Cambridge, United States, Matthew Goss, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, United States, Lesly Franco, Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States and Erik Helstrom, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States

Tanima Barua¹, Barbara Marchetti², Lily Guidry³ and Tolga Karsili², (1)University of Louisiana at Lafayette, Lafayette, LA, United States, (2)University of Louisiana at Lafayette, Lafayette, United States, (3)University of Louisiana at Lafayette, Department of Chemistry, Lafayette, United States

Victoria P. Barber¹, Cooper Crabtree², Sara E. Murphy^1,3 and Daniel Kendall¹, (1)University of California Los Angeles, Chemistry and Biochemistry, Los Angeles, United States, (2)University of California Los Angeles, Chemistry and Biochemistry, Los Angeles, CA, United States, (3)California Institute of Technology, Environmental Science & Engineering, Pasadena, United States

Aoxing Zhang¹, Tzung-May Fu¹, Yuhang Wang², Yumin LI³, Enyu Xiong^4,5, Kelley C Wells⁶ and Dylan B Millet⁶, (1)Southern University of Science and Technology, School of Environmental Science and Engineering, Shenzhen, China, (2)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, United States, (3)ETH Swiss Federal Institute of Technology Zurich, Department of Environmental Systems Science, Zurich, Switzerland, (4)Southern University of Science and Technology of China, Shenzhen, China, (5)The Hong Kong Polytechnic University, Department of Civil and Environmental Engineering, Hung Hom, Hong Kong, (6)University of Minnesota Twin Cities, Department of Soil, Water, and Climate, St. Paul, United States

Lexy LeMar, Massachusetts Institute of Technology, Chemical Engineering, Cambridge, MA, United States, Seamus Frey, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, United States, Yaowei Li, Massachusetts Institute of Technology, Cambridge, MA, United States, Frank N Keutsch, Harvard University, Cambridge, United States, Jesse H Kroll, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States and Frank Keutsch

Farzaneh Taksibi, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States and Jose-Luis Jimenez:University of Colorado at Boulder , Alma Hodzic: National Center for Atmospheric Research, William Vizuete: University of North Carolina at Chapel Hill

Daniel Kendall and Victoria P. Barber, University of California Los Angeles, Chemistry and Biochemistry, Los Angeles, United States

Ian Spink¹, Bode Hoover¹, Janet Mireku², Aaron Petersen³, Brandon Bottorff⁴ and Philip S Stevens⁵, (1)Indiana University Bloomington, O'Neill School of Public and Environmental Affairs, Bloomington, IN, United States, (2)Indiana University Bloomington, Bloomington, United States, (3)Indiana University Bloomington, Bloomington, IN, United States, (4)Indiana University Bloomington, O'Neill School of Public and Environmental Affairs, Bloomington, United States, (5)Indiana University, O'Neill School of Public and Environmental Affairs, Bloomington, United States

Matthew Goss, Harvard University, Cambridge, MA, United States, Hannah Schaefer Kenagy, University of Minnesota, Chemistry, Minneapolis, United States, Colette L Heald, ETH Swiss Federal Institute of Technology Zurich, Department of Environmental Systems Science, Zurich, Switzerland, Jesse H Kroll, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States and Frank N Keutsch, Harvard University, Cambridge, United States

Kat Ball¹, Young Ro Lee², Gautham Kappaganthula³, John D Crounse², Paul O Wennberg², Glenn Wolfe⁴, Erin Delaria⁵, Reem Hannun⁶, Abby Sebol⁷, Jason M St Clair⁴, Frank M Flocke⁸, Alessandro Franchin⁸, Changmin Cho⁸, Kirk Lesko⁸, Courtney Owen⁸, Andrew John Weinheimer⁹, Eric C Apel¹⁰, Alan J Hills⁸, Rebecca S Hornbrook¹¹, Daun Jeong⁸, Behrooz Roozitalab¹², Armin Wisthaler¹³, Tomas Mikoviny¹³, Felix Piel¹³, Stefan Swift¹³, Wojciech Wojnowski¹³, Donald Ray Blake¹⁴, Barbara Barletta¹⁴, Nicola J Blake¹⁴, Simone Meinardi¹⁴, Isobel J Simpson¹⁴, Charles K Gatebe¹⁵ and Rajesh Poudyal¹⁶, (1)California Institute of Technology, Division of Chemistry and Chemical Engineering, Pasadena, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States, (3)California Institute of Technology, Division of Engineering and Applied Science, Pasadena, United States, (4)NASA Goddard Space Flight Center, Greenbelt, United States, (5)NASA Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Laboratory, Greenbelt, United States, (6)NASA Ames Research Center, Atmospheric Science Branch, Moffett Field, United States, (7)University of Maryland, College Park, College Park, United States, (8)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, United States, (9)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States, (10)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling, Boulder, United States, (11)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States, (12)NSF National Center for Atmospheric Research (NSF NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder, United States, (13)University of Oslo, Department of Chemistry, Oslo, Norway, (14)University of California Irvine, Department of Chemistry, Irvine, United States, (15)NASA Ames Research Center, Moffett Field, CA, United States, (16)NASA Ames Research Center, Moffett Field, United States

Yue Zhao¹, Han Zang¹, Yuliang Liu², Wei Nie², Wei Huang³ and Federico Bianchi⁴, (1)Shanghai Jiao Tong University, School of Environmental Science and Engineering, Shanghai, China, (2)Nanjing University, Joint International Research Laboratory of Atmospheric and Earth System Research, School of Atmospheric Sciences, Nanjing, China, (3)PSI Center for Energy and Environmental Sciences, Villigen, Switzerland, (4)University of Helsinki, Institute for Atmospheric and Earth System Research/Physics, Helsinki, Finland