Jinkyul Choi¹, Daven K Henze¹, Hansen Cao¹, Caroline R Nowlan², Hyeong-Ahn Kwon³, Hyung-Min Lee⁴, Yujin Oak³, Rokjin Park⁴, Kelvin H Bates⁵, Joannes Maasakkers⁶, Jung-Hun Woo⁷, Jinseok Kim⁷, Alan Fried⁸, Donald Ray Blake⁹, Isobel J Simpson⁹, Andrew John Weinheimer¹⁰, William H Brune¹¹, David A. W, Miller¹² and James Szykman¹³, (1)University of Colorado Boulder, Boulder, CO, United States, (2)Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States, (3)Seoul National University, School of Earth and Environmental Sciences, Seoul, Korea, Republic of (South), (4)Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, (5)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (6)Harvard University, Cambridge, MA, United States, (7)Konkuk University, Seoul, South Korea, (8)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (9)University of California Irvine, Irvine, CA, United States, (10)NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (11)Pennsylvania State University, University Park, PA, United States, (12)Pennsylvania State University, Department of Ecosystem Science and Management, University Park, United States, (13)US EPA, ORD, National Exposure Research Laboratory, Hampton, VA, United States

Jos de Laat, Royal Netherlands Meteorological Institute, Satellite Observations, De Bilt, 3730, Netherlands, Aristeidis Georgoulias, Demokritus Univ Thraki, Xanthi, Greece, Folkert Boersma, KNMI, De Bilt, Netherlands; Wageningen University, Meteorology and Air Quality, Wageningen, Netherlands, Jasper van Vliet, Human Environment and Transport Inspectorate (ILT), Utrecht, Netherlands, Ronald van der A, Royal Netherlands Meteorological Institute, De Bilt, Netherlands, Prodromos Zanis, Aristotle University of Thessaloniki, Thessaloniki, Greece and Xiumei Zhang, Nanjing University of Information Science & Technology (NUIST), Nanjing, China

Zoe Davis¹, Debora Griffin¹, Yue Jia², Susann Tegtmeier² and Chris A McLinden¹, (1)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (2)University of Saskatchewan, Saskatoon, Canada

Karn Vohra¹, Eloise Ann Marais², Gongda Lu³, William Bloss³, Lei Zhu⁴, Henk Eskes⁵ and Isabelle De Smedt⁶, (1)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, B15, United Kingdom, (2)University College London, Department of Geography, London, United Kingdom, (3)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, United Kingdom, (4)Southern University of Science and Technology, School of Environmental Science and Engineering, Shenzhen, China, (5)Royal Netherlands Meteorological Institute, De Bilt, 3730, Netherlands, (6)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium

Madeline Miles¹, Tahi Wiggins², Aissatou Faye², Demba Niang³, Mamadou simina Drame³, Kang Sun⁴ and Sally E. Pusede⁵, (1)University of Virginia, Environmental Sciences, Charlottesville, VA, United States, (2)University of Virginia, Charlottesville, United States, (3)Laboratory of Atmospheric-Ocean Physics Simeon Fongang, Cheikh Anta Diop University, Dakar, Senegal, (4)Harvard-Smithsonian Center for Astrophysics, Cambridge, United States, (5)University of Virginia, Department of Environmental Science, Charlottesville, VA, United States

Srijana Lama¹, Sander Houweling^2,3, Folkert Boersma^4,5, Henk Eskes⁶, Ilse Aben^3,7, Hugo Denier Van Der Gon⁸, Maarten C Krol^9,10, A Johannes Dolman¹¹, Tobias Borsdorff³ and Alba Lorente³, (1)Vrije Universiteit Amsterdam, Amsterdam, Netherlands, (2)VU University Amsterdam, Faculty of Science, Amsterdam, Netherlands, (3)SRON Netherlands Institute for Space Research, Utrecht, Netherlands, (4)Royal Netherlands Meteorological Institute, De Bilt, Netherlands, (5)Wageningen University, Meteorology and Air Quality, Wageningen, Netherlands, (6)Royal Netherlands Meteorological Institute, De Bilt, 3730, Netherlands, (7)Vrije Universiteit Amsterdam, Department of Physics and Astronomy, Amsterdam, Netherlands, (8)TNO, Utrecht, Netherlands, (9)Utrecht University, Utrecht, Netherlands, (10)Wageningen University and Research, Wageningen, Netherlands, (11)Vrije Universiteit Amsterdam, Department of Earth Sciences, Amsterdam, Netherlands

Lee T Murray¹, Michael Stock², Steve Prinzivalli², Jeff Lapierre² and William John Koshak³, (1)University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States, (2)Earth Networks Inc., Germantown, MD, United States, (3)NASA Marshall Space Flight Center, Huntsville, AL, United States

Lok N Lamsal¹, Nickolay Anatoly Krotkov², Sergey V Marchenko³, Bradford L Fisher⁴, Luke Oman², Wenhan Qin³, Eun-Su Yang³, Zachary Fasnacht⁵, Alexander P Vasilkov⁵, Sungyeon Choi⁴, Joanna Joiner⁶, William H Swartz⁷, David P Haffner⁵, Peter Leonard⁸ and Eric J Bucsela⁹, (1)Universities Space Research Association Columbia, Columbia, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)SSAI, Lanham, MD, United States, (4)SSAI, Greenbelt, MD, United States, (5)Science Systems and Applications, Inc., Lanham, MD, United States, (6)NASA GSFC, Greenbelt, MD, United States, (7)Johns Hopkins Univ, Laurel, MD, United States, (8)ADNET Systems, Inc., Lanham, MD, United States, (9)SRI International Menlo Park, Menlo Park, CA, United States