Simulated data presented in manuscript with title above, generated with the Met Office Unified Model, together with observations from KORUS-AQ and MODIS that are used in the model evaluation. The Terra/MODIS aerosol datasets were acquired from the Level-1 and Atmosphere Archive & Distribution System (LAADS) Distributed Active Archive Center (DAAC), located in the Goddard Space Flight Center in Greenbelt, Maryland https://ladsweb.nascom.nasa.gov/. All surface and aircraft observation data is freely and publicly available at https://www-air.larc.nasa.gov/cgi-bin/ArcView/korusaq, last access 10 June 2022.