ABSTRACT
AQI as a vital metric for evaluating pollution levels, which directly impacts the health and well-being of the population. We have devised a hybrid deep learning (DL) framework that combines the Bi-directional LSTM with a sensor fusion approach. Our integrated model combines the strengths of sensor fusion and Bi-LSTM, enhancing both spatial and temporal dependencies in the data. Additional training of the data from independent sensors prior to the AQI calculation and training of the proposed method provided much better AQI prediction capability due to the added information on the spatial variation of the data. Empirical validation with real-world data from the Chennai city in India, demonstrates superior accuracy, achieving a Root Mean Square Error (RMSE) of 21.7 for AQI prediction.
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