Forecasting SO<sub><b>2</b></sub> Pollution Incidents by means of Elman Artificial Neural Networks and ARIMA Models

<table>Hybrid model: December 2012. Real SO<sub>2</sub> concentration (a) versus predicted concentration (b).</table>

Abstract and Applied Analysis

Figure 6: Forecasting SO<sub><b>2</b></sub> Pollution Incidents by means of Elman Artificial Neural Networks and ARIMA Models 