Air is vital for life of every organism on earth, hence it is necessary for us to have knowledge of the quality of air we breathe. Air is mixture of various biotic and abiotic components. In this book we have trial to deal with the quality of air in the hospital area, on the basis of fungal diversities. Air quality of hospital has become an important health issue, which is partly related to fungal contamination. The aim of this study is, to give information about the types of fungal species which are present in the atmosphere of an hospital during varying climatic condition. It is important to understand the deposition and dissemination of fungal species inside and outside of hospital area and also to give the information of the contribution of the fungi throughout the year. This book is based on the Ph.D. thesis awarded by Pt. Ravishankar Shukla University Raipur, Chhattisgarh, India. This book will prove a great help to Scientists, Physician, Researchers as well as Pharmacists for increasing their knowledge about own profession and also for great help in disease forecasting and causes of allergy in human being.