Prakash Doraiswamy¹, K Mills¹, Pawan Gupta², Olga Pikelnaya³, Brandon Feenstra³, Robert C Levy⁴, Christine L Goforth⁵, Sagnik Dey⁶, Hem Dholakia⁷, Anne Marie Miller¹, James Rineer¹, Megan Tulloch¹ and Andrea Polidori³, (1)RTI International, Research Triangle Park, NC, United States, (2)Universities Space Research Association Greenbelt, Greenbelt, MD, United States, (3)South Coast Air Quality Management District, Diamond Bar, CA, United States, (4)NASA/Goddard Space Flight Ctr, Greenbelt, MD, United States, (5)North Carolina Museum of Natural Sciences, Raleigh, United States, (6)IIT Delhi, New Delhi, India, (7)CEEW, Delhi, India