EN
The aim of present paper was to establish the quantitative and qualitative mycological air contamination in educational building of the Faculty of Agriculture and Biology of Warsaw Agricultural University and in the atmosphere outside researched object. Analyses were made using sedimentation and impaction method. The MAS 100 Eco air sampler was used in impaction method. Results of the research made in the indoor and outdoor air showed, that the highest mycological air contamination was in summer and the lowest abundance of fungi was in winter. Taxonomie composition of fungi in the indoor and outdoor air was very similar. In both cases Penicillium, Aspergillus, Cladosporium and Alternaria genuses were dominated.