
Analysis of the ground level ozone concentration is vital for the purpose of forecasting and in identifying the changes and impacts that are very crucial for an agro-based economy like the city of Chennai. The paper examines Ozone concentration and meteorology in Chennai at Koyambedu which is a major big Bus terminus. This will be very useful for further research and future researchers. A linear ARIMA model was used for the forecast of Ozone over the study area. The performance evaluation was also done to check the best fit model for forecast.