Abstract
A qualitative and quantitative study of indoor air in a hospital at Kalyani, West Bengal, India was carried out. For the enumeration of bacteria and fungi, samples were collected using the settle plate method. This study focuses to assess the microbial population of indoor air of different wards of the hospital and in different sampling time. The highest bacterial and fungal population was recorded in the evening time between 5 pm and 6 pm compared to the morning. The microbial flora isolated included four genera each of bacteria and fungi among which are Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella sp, Aspergillus sp, Fusarium sp, Penicillium sp and Candida sp. The occurrence of microorganisms was highest in the general and female wards and lowest in the operation theatre.
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