Hendrik Fuchs, Forschungszentrum Jülich GmbH, Jülich 52428, Germany, Luc Vereecken, Forschungszentrum Jülich, Institute of Energy and Climate Research, Troposphere (IEK-8), Jülich, Germany, Florian Berg, Forschungszentrum Jülich, Institut of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany and Anna Novelli, Forschungszentrum Jülich GmbH, Institute of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany

Alexis Harper¹, Callum Flowerday¹, Zach Giauque¹, Lizzy Lowe¹, Jaron Hansen¹ and Scientific Instrumentation and Modeling Team, (1)Brigham Young University, Provo, United States

Elizabeth Melssen¹, Yarê Baker², Peter Mettke², Thomas Schaefer³, Yaroslav Losovyj⁴, Hartmut Herrmann⁵ and Jonathan D. Raff⁶, (1)Indiana University Bloomington, Chemistry, Bloomington, United States, (2)Leibniz Institute for Tropospheric Research, Leipzig, Germany, (3)Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department (ACD), Permoserstraße 15, Leipzig, Germany, (4)Indiana University Bloomington, Bloomington, United States, (5)Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department (ACD), Leipzig, Germany, (6)Indiana University, O'Neill School of Public and Environmental Affairs, Bloomington, IN, United States

Yanyu Zhang^1,2, William C Porter³ and David R Cocker III^1,2, (1)University of California Riverside, Bourns College of Engineering Center for Environmental Research and Technology (CE-CERT), Riverside, United States, (2)University of California, Riverside, Department of Chemical and Environmental Engineering, Riverside, United States, (3)University of California Riverside, Riverside, CA, United States

Chidinma Ojike, Rutgers University Piscataway, Piscataway, New Jersey, UNITED STATES

Jena Jenkins, Pennsylvania State University Main Campus, University Park, PA, United States and William H Brune, Pennsylvania State University, University Park, PA, United States

Samir Kattel, North Carolina A & T State University, Applied Science and Technology (AST), Greensboro, United States, Marc Nicholas Fiddler, North Carolina A & T State University, NOAA-ISET Center, Greensboro, NC, United States, Chelia Thompson, North Carolina A & T State University, Greensboro, United States and Solomon Bililign, North Carolina A & T State University, Physics, Greensboro, United States

Shannon Brown and Timothy Bertram, University of Wisconsin Madison, Chemistry, Madison, United States

Jesse H Kroll, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, Lesly Franco, Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, Yaowei Li, Massachusetts Institute of Technology, Cambridge, MA, United States, Jordan Krechmer, Osmo Labs PBC, Somerville, MA, United States and Frank N Keutsch, Harvard University, Cambridge, United States

Charles Markus¹, Michael F Vansco², Frank Winiberg³, Dr. Rebecca Caravan⁴, Megan Woods⁵, Lily Walsh⁶, David L. Osborn⁷, Craig Allen Taatjes⁷, Leonid Sheps⁷, Marsha I Lester² and Carl Percival⁸, (1)University of Texas at San Antonio, Department of Chemistry, San Antonio, United States, (2)University of Pennsylvania, Department of Chemistry, Philadelphia, PA, United States, (3)University of Leeds, School of Chemistry, Leeds, United Kingdom, (4)Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL, United States, (5)California Institute of Technology, Pasadena, CA, United States, (6)University of Pennsylvania, Department of Chemistry, Philadelphia, United States, (7)Sandia National Laboratories, Combustion Research Facility, Livermore, United States, (8)NASA Jet Propulsion Laboratory, Pasadena, United States

Jessica Haskins¹, Jackson Coley¹, Seth N Lyman² and Colleen Patricia Jones³, (1)University of Utah, Atmospheric Sciences, Salt Lake City, United States, (2)Utah State University, Bingham Research Center, Logan, UT, United States, (3)Utah State University, Bingham Research Center, Vernal, United States

Victoria P. Barber, University of California Los Angeles, Chemistry and Biochemistry, Los Angeles, United States and Sam Silva, University of Southern California, Earth Sciences, Civil and Environmental Engineering, Los Angeles, United States

Samantha Cuson, Eckerd College, Marine Science, St. Petersburg, United States; NOAA, Global Monitoring Lab, Boulder, United States and Gary A Morris, NOAA Global Monitoring Laboratory, Boulder, United States

Rinjini SAHA¹, Aparajeo Chattopadhyay², Subhasis Mandal¹ and Tapas Chakraborty¹, (1)Indian Association for the Cultivation of Science, School of chemical sciences, Kolkata, India, (2)University of Rochester, Department of earth and environmental sciences, Rochester, NY, United States

Cole Sagan, Arden Floyd and Marissa Weichman, Princeton University, Princeton, United States

Chelia Thompson, Organization Not Listed, Washington, DC, United States, Samir Kattel, North Carolina A & T State University, Applied Science and Technology (AST), Greensboro, United States, Marc Nicholas Fiddler, North Carolina A & T State University, NOAA-ISET Center, Greensboro, NC, United States and Solomon Bililign, North Carolina A & T State University, Physics, Greensboro, United States

Megan Woods, California Institute of Technology, Pasadena, CA, United States, Frank Winiberg, University of Leeds, School of Chemistry, Leeds, United Kingdom, Carl Percival, Jet Propulsion Laboratory, Pasadena, United States, Mitchio Okumura, California Institute of Technology, Division of Chemistry and Chemical Engineering, Pasadena, CA, United States, Paul O Wennberg, California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, United States and Xu Zhang, NASA Jet Propulsion Laboratory, Pasadena, United States

Jinho Ahn, Seoul National University, Seoul, Korea, Republic of (South), Giyoon Lee, Seoul National University, Seoul, South Korea, Syed Azharuddin, Birbal Sahni Institute of Palaeosciences, Geochemistry, Lucknow, India, Jaekyung Han, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, Dr. Ikumi Oyabu, National Institute of Polar Research, Tokyo, Japan, Julia Marks Peterson, Oregon State University, Corvallis, United States, Changhee Han, Yonsei University, Department of Earth System Sciences, Seoul, South Korea, Motohiro Hirabayashi, NIPR National Institute of Polar Research, Tokyo, Japan, Edward Brook, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States and Kenji Kawamura, Natl. Inst. of Polar Research, Tokyo, Japan

Aaron Petersen, Indiana University Bloomington, Bloomington, IN, United States and Philip S Stevens, Indiana University, O'Neill School of Public and Environmental Affairs, Bloomington, United States

Fudo Hayashi¹, Naoki Numadate² and Shinichi Enami², (1)University of Tsukuba, Tsukuba, Japan, (2)University of Tsukuba, Chemistry, Tsukuba, Japan

Wade Permar, University of Montana, Department of Chemistry and Biochemistry, Missoula, MT, United States, Mercedes Tucker, University of Montana, Department of Chemistry and Biochermistry, Missoula, United States and Lu Hu, University of Montana, Department of Chemistry and Biochemistry, Missoula, United States

Haley Royer¹, Vivian Campbell², Cade Christensen³, Megan Mouton⁴, Marc Fiddler⁵, Solomon Bililign⁶, Jason D Surratt⁷ and Barbara J Turpin⁷, (1)University of North Carolina at Chapel Hill, Chapel Hill, NC, United States, (2)University of North Carolina at Chapel Hill, Department of Environmental Science and Engineering, Chapel Hill, United States, (3)University of North Carolina at Chapel Hill, Department of Chemistry, Chapel Hill, United States, (4)North Carolina A&T State University, Department of Applied Sciences and Technology, Greensboro, United States, (5)North Carolina A&T State University, Department of Chemistry, Greensboro, United States, (6)North Carolina A & T State University, Physics, Greensboro, United States, (7)University of North Carolina at Chapel Hill, Department of Environmental Sciences and Engineering, Chapel Hill, United States

Colleen Patricia Jones, Utah State University, Bingham Research Center, Vernal, United States, Seth N Lyman, Utah State University, Bingham Research Center, Logan, UT, United States and Scientifc Instrumentation and Lab Experiment Team: Trevor O’Neil, Tristan Coxson, KarLee Zager, Alexis Harper, Callum Flowerday, Zach Giauque, Lizzy Lowe, , Ryan Thalman, Sarrah Dunham-Cheatham, Mae Gustin, Jessica Haskins, and Jaron C. Hansen

Kento Kosugi, Naoki Numadate and Shinichi Enami, University of Tsukuba, Chemistry, Tsukuba, Japan

Zhaojin An, School of Environment, Tsinghua University, Beijing, CHINA, Yaowei Li, Massachusetts Institute of Technology, Cambridge, MA, United States, Seamus Frey, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, United States, Jesse H Kroll, Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States and Frank N Keutsch, Harvard University, Cambridge, United States

Philip Brahana, Louisiana State University, Baton Rouge, LA, United States and Bhuvnesh Bharti, Louisiana State University, Cain Department of Chemical Engineering, Baton Rouge, United States

Chelsea E. Stockwell¹, Matthew Mitchell Coggon², Kelvin Bates³, Georgios Gkatzelis⁴, Michael A Robinson⁵, Christopher Jernigan⁶, Dr. James Roberts, PhD⁷, Anna Novelli⁸, Luc Vereecken⁹, Quazi Ziaur Rasool¹⁰, Yizhen Wu⁸, Milan Roska⁸ and Carsten Warneke⁷, (1)NOAA, Chemical Sciences Laboratory, Boulder, United States, (2)National Oceanic and Atmospheric Administration/U.S. Department of Commerce operative Institute for Research in Environmental Sciences/Chemical Sciences Division Boulder 80309 (United States), Chemical Sciences Division, Boulder, United States, (3)University of Colorado Boulder, Department of Mechanical Engineering, Boulder, United States, (4)Forschungszentrum Jülich, Institute of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany, (5)CIRES / NOAA Chemical Sciences Laboratory, Boulder, United States, (6)CIRES/NOAA Chemical Sciences Laboratory, Boulder, United States, (7)NOAA Chemical Sciences Laboratory, Boulder, United States, (8)Forschungszentrum Jülich GmbH, Institute of Climate and Energy Systems, Troposphere (ICE-3), Jülich, Germany, (9)Forschungszentrum Jülich, Institute of Energy and Climate Research, Troposphere (IEK-8), Jülich, Germany, (10)Rice University, Civil and Environmental Engineering, Houston, United States

Dr. Rebecca Caravan¹, Ahren Jasper², Stephen Klippenstein³, Carl Percival⁴, Frank Winiberg⁴, Megan Woods^5,6, Nils Hansen⁷, David L. Osborn^8,9, Leonid Sheps⁸, Craig Allen Taatjes⁸, Charles Markus¹⁰, Michael F Vansco¹¹, Marsha I Lester¹², Lily Walsh¹³, Tom Bannan¹⁴, Md Anwar H Khan¹⁵ and Dudley E Shallcross¹⁵, (1)Argonne National Laboratory, Chemical Sciences and Engineering Division, Argonne, United States, (2)Argonne National Laboratory, Chemical Sciences Division, Lemont, IL, United States, (3)Argonne National Laboratory, Chemical Sciences and Engineering Division, Argonne, IL, United States, (4)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (5)California Institute of Technology, Pasadena, CA, United States, (6)NASA Jet Propulsion Laboratory, Pasadena, United States, (7)Sandia National Laboratories, Combustion Research Facility, Livermore, CA, United States, (8)Sandia National Laboratories, Combustion Research Facility, Livermore, United States, (9)University of California Davis, Department of Chemical Engineering, Davis, United States, (10)University of Texas, San Antonio, San Antonio, United States, (11)Coastal Carolina University, Conway, United States, (12)University of Pennsylvania, Department of Chemistry, Philadelphia, PA, United States, (13)University of Pennsylvania, Department of Chemistry, Philadelphia, United States, (14)University of Manchester, Department of Earth and Environmental Sciences, Manchester, United Kingdom, (15)University of Bristol, School of Chemistry, Bristol, United Kingdom

Lee Tiszenkel¹, Vignesh Vasudevan Geetha², Jonas Elm³, Astrid Pedersen³, Shanhu Lee² and Greta Hopf⁴, (1)University of Alabama in Huntsville, Department of Atmospheric and Earth Science, Huntsville, AL, United States, (2)University of Alabama in Huntsville, Department of Atmospheric and Earth Science, Huntsville, United States, (3)Aarhus University, Aarhus C, Denmark, (4)University of Alabama in Huntsville, Huntsville, United States

Gergana Milkova¹, Anya Romig², Paras Boruah², Kathryn D Kulju², Daun Jeong³, Andrew Jensen⁴, Nicole Woodall², Jordan Krechmer⁵, Brian M Lerner⁶, Paul Zimmerman², Andrew T Lambe⁶ and Kerri Pratt², (1)University of Michigan Ann Arbor, Department of Chemistry, Ann Arbor, MI, United States, (2)University of Michigan Ann Arbor, Department of Chemistry, Ann Arbor, United States, (3)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, United States, (4)Kalamazoo College, Department of Chemistry and Biochemistry, Kalamazoo, United States, (5)Osmo Labs, PBC, Somerville, MA, United States, (6)Aerodyne Research Inc., Billerica, United States

Anthony Carrasquillo¹, Rebecca Lyn Lalonde², Katherine Yang¹, Eriks Zamurs² and Alex Magaden², (1)Williams College, Williamstown, MA, United States, (2)Williams College, Williamstown, United States

Jianfei Peng, Nankai University, College of Environmental Science and Engineering, Tianjian, China

Meng Li, Jiachun Li, Yifan Zhu, Chuncheng Chen and Jincai Zhao, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China

Abigail Sanders, University of Georgia, Chemistry, Athens, GA, United States and Amanda A Frossard, University of Georgia, Chemistry, Athens, United States