Robert B Chatfield, NASA Ames Research Center, Moffett Field, CA, United States, Robert F Esswein, Bay Area Environmental Research Institute Moffett Field, NASA Ames Earth Science, Moffett Field, CA, United States, Yuanyuan Fang, Bay Area Air Quality Management District, San Francisco, United States, Emily Fischer, Colorado State University, Atmospheric Science, Fort Collins, CO, United States, Andrew John Weinheimer, NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, Denise Montzka, National Center for Atmospheric Research, Boulder, CO, United States, Teresa Lynn Campos, Natl Ctr Atmospheric Research, Boulder, CO, United States, Lu Hu, University of Montana, Department of Chemistry and Biochemistry, Missoula, MT, United States, Shane M Murphy, University of Wyoming, Laramie, WY, United States, Alexei Lyapustin, NASA Goddard Space Flight Cen., Greenbelt, MD, United States, Yujie Wang, University of Maryland at Baltimore County, Baltimore, United States and Sentinel 5p TropOMI Mission and WE-CAN Science Team