Joris P Veefkind^1,2, Pieternel Levelt^2,3, Ronald van der A⁴, Folkert Boersma^3,5, Henk Eskes³, Quintus Kleipool³, Jochen Landgraf⁶ and Joost A de Gouw⁷, (1)Royal Netherlands Meteorological Institute, De Bilt, 3730, Netherlands, (2)Delft University of Technology, Delft, Netherlands, (3)Royal Netherlands Meteorological Institute, De Bilt, Netherlands, (4)Royal Netherlands Meteorological Institute (KNMI), De Bilt, Netherlands, (5)Wageningen University, Meteorology and Air Quality, Wageningen, Netherlands, (6)SRON Netherlands Institute for Space Research, Utrecht, Netherlands, (7)NOAA Earth System Research Laboratory, Boulder, CO, United States