The present investigation deals with the Diversity of fungal spores in pigeon pea field. The aerobiological investigation was carried out by using volumetric tilak air sampler from 1 July 2016 to 31 December2016. Total number of fungal spores found during the month of July to December 2016 was 62368 spores/m³ belonging to 51 genera. Throughout the season Cladosporium was most dominant spore (29.51%). Variation was seen among the fungal spores with respect to seasonal changes. Ulocladium, Hirudinaria, Stemphylium, Othia like spores were unique during the season.