Jackson Kaspari¹, Eric M Scheuer², Jiajue Chai³, Meredith Galanter Hastings³, Bruce E Anderson⁴, Carolyn E Jordan⁵ and Jack E Dibb⁶, (1)University of New Hampshire Main Campus, Department of Chemistry, Durham, NH, United States, (2)University of New Hampshire, Institute for the Study of Earth, Ocean, and Space, Durham, NH, United States, (3)Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States, (4)NASA Langley Research Center, Hampton, VA, United States, (5)National Institute of Aerospace, Hampton, VA, United States, (6)University of New Hampshire Main Campus, Institute for the Study of Earth, Ocean, and Space, Durham, NH, United States

Jose L Jimenez^1,2, Melinda Schueneman³, Doug A Day^1,2, Demetrios Pagonis^1,3, Benjamin Nault^1,2, Olivia J Jenks^1,4, Pedro Campuzano Jost^1,5, Hongyu Guo^1,3, Julia M Lee-Taylor⁶, Wyatt Brown^1,3 and Joost A de Gouw^1,2, (1)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (2)University of Colorado at Boulder, Department of Chemistry, Boulder, CO, United States, (3)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (4)University of Colorado at Boulder, Chemistry, Boulder, CO, United States, (5)University of Colorado at Boulder, Boulder, CO, United States, (6)NCAR-ACD, Boulder, CO, United States

Laura Tomsche^1,2, Tomas Mikoviny³, John B Nowak⁴, Felix Piel^3,5, Pedro Campuzano Jost^6,7, Demetrios Pagonis⁸, Benjamin Nault^7,9, Hongyu Guo^7,8, Melinda Schueneman⁸, Jose L Jimenez⁸, Hannah Halliday¹⁰, Glenn S Diskin¹¹, Joshua P DiGangi⁴ and Wisthaler Armin^3,12, (1)Universities Space Research Association Columbia, Columbia, MD, United States, (2)NASA Langley Research Center, Hampton, United States, (3)University of Oslo, Department of Chemistry, Oslo, Norway, (4)NASA Langley Research Center, Hampton, VA, United States, (5)IONICON Analytik GmbH, Innsbruck, Austria, (6)University of Colorado Boulder, Boulder, CO, United States, (7)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (8)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (9)University of Colorado, Boulder, Boulder, CO, United States, (10)US Environmental Protection Agency Research Triangle Park, Durham, NC, United States, (11)NASA Langley Research Ctr, Hampton, VA, United States, (12)University of Innsbruck, Institut für Ionenphysik und Angewandte Physik, Innsbruck, Austria

Hamish Gordon¹, Paul Field², Paul A. Barrett³, Ben Thomas Johnson⁴, Steven Abel³ and Ken S Carslaw⁵, (1)Carnegie Mellon University, Pittsburgh, PA, United States, (2)United Kingdom Met Office, Exeter, United Kingdom, (3)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (4)Met Office, Exeter, United Kingdom, (5)University of Leeds, Leeds, United Kingdom

Richard Moore¹, Elizabeth Brooke Wiggins¹, Claire E Robinson², Kenneth Lee Thornhill II¹, Edward Winstead², Kevin Sanchez³, Luke D Ziemba¹, Bruce Anderson¹, John D W Barrick⁴, Matthew Donald Brown⁵, Gao Chen⁶, Ewan Crosbie⁷, Carolyn E Jordan¹, Taylor J Shingler², Michael Shook¹ and FIREX-AQ Science Team, (1)NASA Langley Research Center, Hampton, VA, United States, (2)Science Systems and Applications, Inc., Hampton, VA, United States, (3)Universities Space Research Association Columbia, Columbia, MD, United States, (4)Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, (5)NASA Langley Research Center, Chemistry and Dynamics Branch, Hampton, VA, United States, (6)NASA Langley Research Ctr, Hampton, VA, United States, (7)University of Arizona, Tucson, AZ, United States

Ming Lyu¹, Katica Naude¹, Nianci Zhang¹, Daniel K Thompson² and Sarah A Styler^1,3, (1)University of Alberta, Department of Chemistry, Edmonton, AB, Canada, (2)Natural Resources Canada - Canadian Forest Service, Edmonton, AB, Canada, (3)McMaster University, Department of Chemistry & Chemical Biology, Hamilton, ON, Canada

Joel A Thornton¹, Brett B Palm¹, Qiaoyun Peng², Carley Fredrickson¹, Ben Lee¹, Zachary Decker³, Lauren Garofalo⁴, Matson A Pothier⁴, Sonia M Kreidenweis⁵, Delphine Farmer⁴, Rudra Pokhrel⁶, Shane M Murphy⁷, Wade Permar⁸, Lu Hu⁹, Teresa Lynn Campos¹⁰, Samuel R Hall¹¹, Kirk Ullmann¹², Frank M Flocke¹³, Emily V Fischer⁵, Michael A Robinson¹⁴, Alessandro Franchin¹⁵, Katherine Lynne Hayden¹⁶, Ann Middlebrook¹⁷ and Steven S Brown¹⁸, (1)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (2)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, CA, United States, (3)NOAA Chemical Sciences Division, Boulder, CO, United States, (4)Department of Chemistry, Colorado State University, Fort Collins, CO, United States, (5)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (6)University of Wyoming, Laramie, United States, (7)University of Wyoming, Laramie, WY, United States, (8)University of Montana, Chemistry and Biochemistry, Missoula, MT, United States, (9)Univ of MN-Soil, Water, & Clim, St. Paul, MN, United States, (10)Natl Ctr Atmospheric Research, Boulder, CO, United States, (11)NCAR, Denver, CO, United States, (12)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (13)NCAR, Boulder, CO, United States, (14)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (15)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (16)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (17)NOAA Boulder, Boulder, CO, United States, (18)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States

Jakob Lindaas¹, Frank M Flocke², Julieta Juncosa³, Teresa Lynn Campos⁴, Andrew John Weinheimer⁵, Denise Montzka⁶, Geoffrey S Tyndall⁴, Eric C Apel⁶, Alan J Hills², Rebecca S Hornbrook⁶, Samuel R Hall⁷, Kirk Ullmann⁸, John Joseph Orlando², Wade Permar⁹, Catherine Wielgasz⁹, Lu Hu¹⁰ and Emily Fischer¹¹, (1)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (2)NCAR, Boulder, CO, United States, (3)Colorado State University, Atmospheric Science, Fort Collins, United States, (4)Natl Ctr Atmospheric Research, Boulder, CO, United States, (5)NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (6)National Center for Atmospheric Research, Boulder, CO, United States, (7)NCAR, Denver, CO, United States, (8)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (9)University of Montana, Chemistry and Biochemistry, Missoula, MT, United States, (10)Univ of MN-Soil, Water, & Clim, St. Paul, MN, United States, (11)Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States

Elizabeth Brooke Wiggins¹, Richard Moore¹, Edward Winstead², Claire E Robinson², Amber Jeanine Soja³ and Emily Marie Gargulinski⁴, (1)NASA Langley Research Center, Hampton, VA, United States, (2)Science Systems and Applications, Inc., Hampton, VA, United States, (3)National Institute of Aerospace, Hampton, VA, United States, (4)Universities Space Research Association, NASA Langley Research Center, Hampton, VA, United States

Christopher D Holmes¹, Charles Fite¹, Anxhelo Agastra¹, Joshua Peter Schwarz², Robert J Yokelson³, Thaopaul V Bui⁴ and David A Peterson⁵, (1)Florida State University, Tallahassee, FL, United States, (2)NOAA Chemical Sciences Laboratory (CSL), Boulder, CO, United States, (3)University of Montana, Department of Chemistry, Missoula, MT, United States, (4)NASA Ames Research Center, Moffett Field, CA, United States, (5)Marine Meteorology Division, Naval Research Laboratory, Monterey, CA, United States

Michael A Robinson¹, Zachary Decker², Kelley Barsanti³, Matthew Mitchell Coggon¹, Frank M Flocke⁴, Carley Fredrickson⁵, Georgios Gkatzelis⁶, Christopher D Holmes⁷, Denise D Montzka⁸, Brett Palm⁹, Rebecca Schwantes¹⁰, Geoffrey S Tyndall⁸, Joel A Thornton⁵, Paul Van Rooy³, Andrew John Weinheimer¹¹ and Steven S Brown¹², (1)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (2)NOAA Chemical Sciences Division, Boulder, CO, United States, (3)University of California Riverside, Riverside, CA, United States, (4)NCAR, Boulder, CO, United States, (5)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (6)Forschungszentrum Jülich GmbH, Jülich 52428, Germany, (7)Florida State University, Tallahassee, FL, United States, (8)National Center for Atmospheric Research, Boulder, CO, United States, (9)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, United States, (10)Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado and NOAA ESRL Chemical Sciences Laboratory, Boulder, CO, United States, (11)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (12)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States

Qiaoyun Peng¹, Brett Palm², Ben Lee³, Samuel R Hall⁴, Kirk Ullmann⁵, Teresa Lynn Campos⁶, Andrew John Weinheimer⁷, Eric C Apel⁸, Rebecca S Hornbrook⁸, Frank M Flocke⁹, Lu Hu¹⁰, Wade Permar¹¹, Jakob Lindaas¹², Ilana B Pollack¹³, Emily V Fischer¹⁴ and Joel A Thornton¹⁵, (1)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, CA, United States, (2)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, United States, (3)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (4)NCAR, Denver, CO, United States, (5)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (6)Natl Ctr Atmospheric Research, Boulder, CO, United States, (7)NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (8)National Center for Atmospheric Research, Boulder, CO, United States, (9)NCAR, Boulder, CO, United States, (10)Univ of MN-Soil, Water, & Clim, St. Paul, MN, United States, (11)University of Montana, Chemistry and Biochemistry, Missoula, MT, United States, (12)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (13)NOAA ESRL Chemical Sciences Division, Boulder, CO, United States, (14)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (15)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States

Pubu Ciren, IMSG, &/NOAA/NESDIS/STAR, College Park, MD, United States and Shobha Kondragunta, NOAA College Park, College Park, MD, United States

Lu Xu¹, Krystal Vasquez², John D Crounse², Hannah M Allen¹, Paul O Wennberg², Thomas B Ryerson³, Ilann Bourgeois⁴, Matthew Mitchell Coggon⁵, Georgios Gkatzelis⁶, Kanako Sekimoto⁷, Carsten Warneke⁶, Aaron Lamplugh⁶, Jessica Gilman⁸, Pamela Rickly⁹, Andrew W Rollins¹⁰, Caroline Womack¹⁰, Jakob Lindaas¹¹, Steven S Brown⁸, Thomas F Hanisco¹², Glenn M Wolfe¹³, Jason M St Clair¹⁴, Jin Liao¹⁵, Reem A Hannun¹⁶, Alan Fried¹⁷, Petter Weibring¹⁷, Dirk Richter¹⁷, James Walega¹⁷, Hongyu Guo¹⁸, Pedro Campuzano Jost¹⁸, Jose L Jimenez¹⁹, Young Ro of Lee²⁰, David Tanner²¹, L Gregory Huey²¹, Glenn S Diskin²² and Thaopaul V Bui²³, (1)California Institute of Technology, Pasadena, CA, United States, (2)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (3)NOAA ESRL Chemical Sciences Division, Boulder, CO, United States, (4)NOAA Chemical Sciences Division, Boulder, CO, United States, (5)California Institute of Technology, Department of Chemical Engineering, Pasadena, CA, United States, (6)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (7)NOAA Boulder, Boulder, CO, United States, (8)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, (9)Indiana University Bloomington, School of Public and Environmental Affairs, Bloomington, IN, United States, (10)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (11)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (12)NASA GSFC, Greenbelt, MD, United States, (13)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (14)University of Maryland Baltimore County, Baltimore, MD, United States, (15)Universities Space Research Association and NASA Goddard Space Flight Center, Greenbelt, MD, United States, (16)Harvard Univ/Anderson Group, Cambridge, MA, United States, (17)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (18)University of Colorado Boulder, Boulder, CO, United States, (19)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (20)Georgia Institute of Technology, Atlanta, United States, (21)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (22)NASA Langley Research Ctr, Hampton, VA, United States, (23)NASA Ames Research Center, Moffett Field, CA, United States

Taylor Shingler¹, Marta A Fenn², Johnathan W Hair¹, Amin R Nehrir¹, Anthony Notari¹, Richard Moore¹, Elizabeth Brooke Wiggins³, Edward Winstead⁴, Claire E Robinson⁴, Kenneth Lee Thornhill II^1,4, Michael Shook¹, Kevin Sanchez⁵, Joshua P DiGangi¹, John B Nowak¹, Hannah Halliday⁶ and Glenn S Diskin⁷, (1)NASA Langley Research Center, Hampton, VA, United States, (2)SSAI, Hampton, VA, United States, (3)University of California, Earth System Science, Irvine, CA, United States, (4)Science Systems and Applications, Inc., Hampton, VA, United States, (5)NASA Langley Research Center, Hampton, United States, (6)US Environmental Protection Agency Research Triangle Park, Durham, NC, United States, (7)NASA Langley Research Ctr, Hampton, VA, United States

Andrew Lindsay¹, Ezra C D Wood², Daniel C Anderson³, Yutong Liang⁴, Rebecca Ann Wernis⁴, Allen H Goldstein⁴, Nathan M Kreisberg⁵, Scott C. Herndon⁶, Joseph R Roscioli⁶, Tara Irene Yacovitch⁷, Francesca Majluf⁷, Jordan E. Krechmer⁷, Chistoph Dyroff⁷, Edward Fortner⁷ and Phil Croteau⁷, (1)Drexel University, Chemistry, Philadelphia, PA, United States, (2)Drexel University, Department of Chemistry, Philadelphia, PA, United States, (3)Drexel University, Philadelphia, PA, United States, (4)University of California Berkeley, Berkeley, CA, United States, (5)Aerosol Dynamics Inc., Berkeley, CA, United States, (6)Aerodyne Research Inc, Billerica, MA, United States, (7)Aerodyne Research Inc., Billerica, MA, United States

Christos Stamatis¹, Paul Van Rooy², Edward Fortner³, Tara Irene Yacovitch³, Joseph R Roscioli⁴, Michael A Robinson⁵, Zachary Decker⁶, Carley Fredrickson⁷, Brett Palm⁸, Joel A Thornton⁹, Alessandro Franchin¹⁰, Steven S Brown¹¹, Scott C. Herndon⁴ and Kelley Barsanti², (1)University of California Riverside, Riverside, United States, (2)University of California Riverside, Riverside, CA, United States, (3)Aerodyne Research Inc., Billerica, MA, United States, (4)Aerodyne Research Inc, Billerica, MA, United States, (5)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (6)NOAA Chemical Sciences Division, Boulder, CO, United States, (7)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (8)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, United States, (9)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States, (10)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (11)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States