Aerial metagenomics refers to the collection and analysis of genetic material from microorganisms present in the air, enabling researchers to study biodiversity and ecological interactions within a habitat. This approach allows for a comprehensive assessment of airborne microbial communities, which can be crucial for understanding environmental health, tracking changes in ecosystems, and assessing the impacts of human activity and climate change. The capacity to analyze air samples expands our understanding of microbial distribution and their roles in different environments, aligning with UPSC's emphasis on interdisciplinary studies of ecology and environmental science.