Demetrios Pagonis¹, Pedro Campuzano-Jost¹, Hongyu Guo², Doug A Day¹, Melinda Schueneman¹, Benjamin A Nault¹, Wyatt Brown¹, Alexander Laskin³, Kyla S.A. Siemens³, Matthew Mitchell Coggon^4,5, Joshua P DiGangi⁶, Glenn S Diskin⁷, Marta A Fenn⁶, Georgios Gkatzelis^8,9, Johnathan W Hair^6,10, Hannah S Halliday^6,11, Joseph M Katich^4,12, John B Nowak⁶, Anne Elizabeth Perring¹³, Pablo E Saide¹⁴, Kanako Sekimoto¹⁵, Taylor J Shingler^6,16, Laura Thapa¹⁴, Carsten Warneke¹⁷ and Jose L Jimenez¹, (1)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (2)University of Colorado Boulder, Boulder, CO, United States, (3)Purdue University, Department of Chemistry, West Lafayette, IN, United States, (4)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (5)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (6)NASA Langley Research Center, Hampton, VA, United States, (7)NASA Langley Research Ctr, Hampton, VA, United States, (8)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (9)NOAA Earth Systems Research Laboratory, Chemical Sciences Division, Boulder, United States, (10)NASA Langley, Hampton, VA, United States, (11)US Environmental Protection Agency Research Triangle Park, Durham, NC, United States, (12)NOAA Chemical Sciences Laboratory, / CIRES, Boulder, CO, United States, (13)Colgate University, Department of Chemistry, Hamilton, NY, United States, (14)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (15)Yokohama CIty University, Graduate School of Nanobioscience, Yokohama, Japan, (16)Science Systems and Applications, Inc., Hampton, VA, United States, (17)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States

Zachary Decker^1,2, Michael A Robinson³, Carley Fredrickson⁴, Brett B. Palm⁵, Georgios Gkatzelis³, Matthew Mitchell Coggon³, Kelley Barsanti⁶, Ilann Bourgeois^7,8, Frank M Flocke⁹, Alessandro Franchin¹⁰, Alan Fried¹¹, Jessica Gilman¹², Samuel R Hall¹³, Katherine Lynne Hayden¹⁴, Christopher D Holmes¹⁵, Aaron Lamplugh³, Avi Lavi¹⁶, Ann Middlebrook¹⁷, Denise Montzka¹⁰, Richard Moore¹⁸, J A Neuman^19,20, Jeff Peischl³, Dirk Richter²¹, Claire E Robinson¹⁸, Andrew W Rollins²², Thomas B Ryerson², Rebecca Schwantes²³, Kenneth Lee Thornhill II¹⁸, Geoffrey S Tyndall⁹, Paul Van Rooy⁶, Patrick R Veres²⁴, James Walega²¹, Carsten Warneke³, Rebecca A Washenfelder²⁵, Petter Weibring²¹, Andrew John Weinheimer²⁶, Elizabeth Brooke Wiggins¹⁸, Edward Winstead¹⁸, Kevin Sanchez²⁷, Caroline Womack^8,28, Joel A Thornton²⁹ and Steven S Brown¹⁷, (1)CIRES/ NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (2)NOAA Earth System Research Laboratory, Boulder, CO, United States, (3)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (4)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (5)University of Washington, Atmospheric Sciences, Seattle, WA, United States, (6)University of California Riverside, Riverside, CA, United States, (7)NOAA ESRL Chemical Science Division, Boulder, CO, United States, (8)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (9)NCAR, Boulder, CO, United States, (10)National Center for Atmospheric Research, Boulder, CO, United States, (11)University of Colorado at Boulder, INSTAAR, Boulder, CO, United States, (12)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, (13)NCAR, Denver, CO, United States, (14)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (15)Florida State University, Tallahassee, FL, United States, (16)South Coast Air Quality Management District, Diamond Bar, United States, (17)NOAA Boulder, Boulder, CO, United States, (18)NASA Langley Research Center, Hampton, VA, United States, (19)Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (20)NOAA ESRL, Boulder, CO, United States, (21)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (22)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (23)Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado and NOAA ESRL Chemical Sciences Laboratory, Boulder, CO, United States, (24)NOAA Earth System Research Lab, Boulder, CO, United States, (25)NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (26)NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (27)NASA Langley Research Center, Hampton, United States, (28)CIRES and NOAA Chemical Sciences Laboratory, Boulder, CO, United States, (29)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States

Matthew Mitchell Coggon¹, Georgios Gkatzelis², Kanako Sekimoto³, Jessica Gilman⁴, Aaron Lamplugh⁵, Vanessa Selimovic⁶, Robert J Yokelson⁶, Ilann Bourgeois⁷, Jeff Peischl⁵, Thomas B Ryerson⁸, Patrick R Veres⁹, J A Neuman¹⁰, Young Ro Lee¹¹, David Tanner¹², L Gregory Huey¹², Glenn S Diskin¹³, Hannah Halliday¹⁴, John B Nowak¹⁵, Samuel R Hall¹⁶, Kirk Ullmann¹⁷, Caroline Womack¹⁸, Michael A Robinson⁵, Steven S Brown⁴, Armin Wisthaler¹⁹, Laura Tomsche²⁰, Felix Piel¹⁹, Markus Müller²¹, Glenn M Wolfe²², Jin Liao²³, Reem A Hannun²², Jason M St Clair²⁴, Thomas F Hanisco²⁵, Lu Xu²⁶, John D Crounse²⁶, Krystal Vasquez²⁶, Paul O Wennberg²⁶, Alan Fried²⁷, Petter Weibring²⁷, Dirk Richter²⁷, James Walega²⁷, Pedro Campuzano Jost²⁸, Demetrios Pagonis²⁹, Andrew W Rollins¹⁸, Pamela Rickly¹⁸, Johnathan W Hair¹⁵, Taylor J Shingler¹⁵, Abigail Koss³⁰, Bin Yuan³¹, Kyle J Zarzana³², Jose L Jimenez²⁹, Jordan E. Krechmer³³, Joost A de Gouw³⁴, Christopher D Cappa³⁵, Christopher Lim³⁶, David H Hagan³⁷, Jesse H Kroll³⁸, James Roberts⁹ and Carsten Warneke⁵, (1)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (2)NOAA Earth Systems Research Laboratory, Chemical Sciences Division, Boulder, United States, (3)Yokohama CIty University, Graduate School of Nanobioscience, Yokohama, Japan, (4)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, (5)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (6)University of Montana, Department of Chemistry, Missoula, MT, United States, (7)NOAA Chemical Sciences Division, Boulder, CO, United States, (8)NOAA ESRL Chemical Sciences Division, Boulder, CO, United States, (9)NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (10)Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (11)Georgia Institute of Technology Main Campus, Atlanta, GA, United States, (12)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (13)NASA Langley Research Ctr, Hampton, VA, United States, (14)US Environmental Protection Agency Research Triangle Park, Durham, NC, United States, (15)NASA Langley Research Center, Hampton, VA, United States, (16)NCAR, Denver, CO, United States, (17)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (18)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (19)University of Oslo, Department of Chemistry, Oslo, Norway, (20)Max Planck Institute for Chemistry, Mainz, Germany, (21)University of Innsbruck, Innsbruck, Austria, (22)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (23)Universities Space Research Association and NASA Goddard Space Flight Center, Greenbelt, MD, United States, (24)NASA Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Lab, Greenbelt, MD, United States, (25)NASA GSFC, Greenbelt, MD, United States, (26)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (27)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (28)University of Colorado Boulder, Boulder, CO, United States, (29)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (30)Tofwerk AG, Thun, Switzerland, (31)Jinan University, Institute for Environmental and Climate Research, Guangzhou, China, (32)University of Colorado Boulder, Chemistry & CIRES, Boulder, CO, United States, (33)Aerodyne Research Inc., Billerica, MA, United States, (34)University of Colorado, CIRES and Department of Chemistry, Boulder, CO, United States, (35)University of California, Department of Civil and Environmental Engineering, Davis, CA, United States, (36)South Coast Air Quality Management District, Diamond Bar, CA, United States, (37)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (38)Massachusetts Institute of Technology, Cambridge, MA, United States

Nicole June¹, Anna Lily Hodshire², Elizabeth Brooke Wiggins³, Richard Moore³, Edward Winstead³, Claire E Robinson³, Kenneth Lee Thornhill II³, Kevin J Sanchez³, Hongyu Guo⁴, Pedro Campuzano Jost⁴, Jose L Jimenez⁵, Sonia M Kreidenweis¹, Shantanu Jathar⁶ and Jeffrey R Pierce⁷, (1)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (2)Colorado State University, Chemistry, Fort Collins, CO, United States, (3)NASA Langley Research Center, Hampton, VA, United States, (4)University of Colorado Boulder, Boulder, CO, United States, (5)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (6)Colorado State University, Mechanical Engineering, Fort Collins, CO, United States, (7)Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States

Rebecca A Washenfelder¹, Lisa Azzarello², Kat Ball³, Steven S Brown⁴, Zachary Decker⁵, Alessandro Franchin⁶, Carley Fredrickson⁷, Katherine Lynne Hayden⁸, Christopher D Holmes⁹, Ann Middlebrook¹, Brett Palm¹⁰, Michael A Robinson¹¹, Joel A Thornton¹² and Cora Young¹³, (1)NOAA Boulder, Boulder, CO, United States, (2)York University, Department of Chemistry, Toronto, ON, Canada, (3)University of Maryland, Baltimore County, Baltimore, MD, United States, (4)NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, (5)NOAA Chemical Sciences Division, Boulder, CO, United States, (6)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (7)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (8)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (9)Florida State University, Tallahassee, FL, United States, (10)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, United States, (11)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (12)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States, (13)Memorial University of Newfoundland, St John's, NF, Canada

Jin Liao, NASA Goddard Space Flight Center and Universities Space Research Association, Greenbelt, MD, United States, Glenn M Wolfe, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Reem A Hannun, Harvard Univ/Anderson Group, Cambridge, MA, United States, Jason M St Clair, University of Maryland Baltimore County, Baltimore, MD, United States, Thomas F Hanisco, NASA GSFC, Greenbelt, MD, United States, Jessica Gilman, NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, CO, United States, Aaron Lamplugh, CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, Vanessa Selimovic, University of Montana, Department of Chemistry, Missoula, MT, United States, Glenn S Diskin, NASA Langley Research Ctr, Hampton, VA, United States, John B Nowak, NASA Langley Research Center, Hampton, VA, United States, Samuel R Hall, NCAR, Denver, CO, United States and Kirk Ullmann, National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States

Jiajue Chai¹, Emily Joyce¹, Danielle E. Blum², Claire Bekker³, Jackson Kaspari⁴, Carolyn Jordan⁵, Bruce Anderson⁶, Jack E Dibb⁷ and Meredith Galanter Hastings¹, (1)Brown University, Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States, (2)Brown Univeristy, Department of Chemistry and Biochemistry, Providence, RI, United States, (3)Brown University, 1., Department of Earth, Environmental and Planetary Sciences, and Institute at Brown for Environment and Society, Providence, RI, United States, (4)University of New Hampshire Main Campus, Department of Chemistry, Durham, NH, United States, (5)NASA Langley, Hampton, United States, (6)NASA Langley Research Center, Hampton, VA, United States, (7)University of New Hampshire, Institute for the Study of Earth, Oceans, and Space, Durham, NH, United States

Katie Tuite, University of California Los Angeles, Los Angeles, CA, United States, Nathaniel Brockway, University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, Jennie L Thomas, IGE Institut des Géosciences de l’Environnement, Grenoble, France, Jochen Stutz, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States and FIREX-AQ team

Laura Thapa¹, David A Peterson², Edward J Hyer², Philippe Papin³, Christopher P Camacho⁴, Melinda Berman¹, Shobha Kondragunta⁵, Chuanyu Xu⁶, Philip E Dennison⁷, Amber Jeanine Soja⁸, Emily Marie Gargulinski⁹, Richard Moore⁸, Johnathan W Hair⁸, Marta A Fenn^8,10, Olga V. Kalashnikova¹¹ and James H Crawford⁸, (1)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (2)Marine Meteorology Division, Naval Research Laboratory, Monterey, CA, United States, (3)National Research Council, Monterey, CA, United States, (4)General Dynamics Information Technology, Monterey, CA, United States, (5)NOAA College Park, College Park, MD, United States, (6)I.M. Systems Group, Inc, Rockville, MD, United States, (7)University of Utah, Geography, Salt Lake City, UT, United States, (8)NASA Langley Research Center, Hampton, VA, United States, (9)Universities Space Research Association, NASA Langley Research Center, Hampton, VA, United States, (10)SSAI, Hampton, VA, United States, (11)NASA Jet Propulsion Laboratory, Pasadena, CA, United States

Brett B Palm¹, Qiaoyun Peng², Carley Fredrickson¹, Ben Lee¹, Lauren Garofalo³, Matson A Pothier³, Sonia M Kreidenweis⁴, Delphine Farmer³, Rudra P Pokhrel^5,6, Yingjie Shen⁵, Shane M Murphy⁵, Wade Permar⁷, Lu Hu⁷, Teresa Lynn Campos⁸, Samuel R Hall⁸, Kirk Ullmann⁹, Xuan Zhang⁸, Frank M Flocke^8,10, Emily Fischer¹¹ and Joel A Thornton¹², (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)Department of Chemistry, Colorado State University, Fort Collins, CO, United States, (4)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (5)University of Wyoming, Laramie, WY, United States, (6)North Carolina A & T State University, Physics, ISET Center, Greensboro, NC, United States, (7)University of Montana, Chemistry and Biochemistry, Missoula, MT, United States, (8)National Center for Atmospheric Research, Boulder, CO, United States, (9)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (10)NCAR, Boulder, CO, United States, (11)Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States, (12)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States