Samples were collected with a flat plate type sampler (Waza et al., 2019) on top of the University of Svalbard Building between 01 September 2017 and 24 September 2017. The geographical coordinates are N 78.2227° and E 15.6510°, height is approximately 30 m above sea level.Samples were subject to automated scanning electron microscopy with coupled X-ray analysis (Kandler et al., 2018).Each data file is one sample (approximately diurnal collection), an overview with meta data is given in the sample list file. Please refer to the description files for more details.