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When talking about air pollution, India is leading the world as per WHO  reported in Times Of India . Considering which, its high time to concentrate even on the smallest causes of air pollution. In this paper researcher wants to emphasis on, the study of Air Quality Index (AQI) during rainy season, winter and summer seasons for last five years from 2014 to 2018 and analyze the causes of air pollution during these climate changes in Pune (Pimpri & Bhosari Air quality stations). This paper concentrates on the analysis of increase in the air pollution in winter season, further focusing on monthly analysis to find any impact of other factor on AQI and propose the solution to control it to some extent.