Spatio-temporal analysis of air quality index

The Air Quality Index (AQI) is a significant tool of risk communication and reporting system. main aim the paper to comparatively analysis air quality index both Delhi Chennai. objective study compute AQI cities compare it. For data for computation are taken from secondary source Central Pollution Control Board (CPCB) Tamil Nadu (TNP). It found that in city pollution anthropogenic natural genesis. pollutants which make reading severe emitted transportation sector such as emission vehicles, road side dust particles followed by industries construction site. In sandstorms desert regions during summer season bursting firecrackers diwali responsible shooting March November month respectively. During monsoon value become less Delhi. Chennai does not very much, throughout year it remains constant with slight degradation Diwali Pongal celebration.