Momei Qin¹, Benjamin Murphy², Brian C McDonald³, Stuart A McKeen⁴, Lauren Koval¹, Kristin K Isaacs¹, Quanyang Lu⁵, Allen L Robinson⁶, Madeleine Strum², Jennifer Snyder⁷, Christos Efstathiou⁸, Chris Allen⁸ and Havala Olson Taylor Pye⁹, (1)Environmental Protection Agency Research Triangle Park, Research Triangle Park, United States, (2)Environmental Protection Agency Research Triangle Park, Research Triangle Park, NC, United States, (3)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (4)NOAA/ESRL, Boulder, CO, United States, (5)Carnegie Mellon University, Pittsburgh, United States, (6)Carnegie Mellon University, Pittsburgh, PA, United States, (7)Environmental Protection Agency Research Triangle Park, Durham, United States, (8)General Dynamics Information Technology Research Triangle Park, Durham, United States, (9)US Environmental Protection Agency Research Triangle Park, Durham, NC, United States