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The prediction, through the use of mathematical simulation models, of the phenomena of atmospheric and noise pollution caused by different types of anthropic sources is a well-established support tool for environmental assessment.

The use of software validated by international bodies does not in itself guarantee the correctness of the results, since any computer simulation model requires skill and experience in its use.

To this end, the air and noise pollution modelling studies carried out by IRIDE are conducted by professionals with in-depth knowledge of simulation software and of the physical phenomenon, on the basis of a codified protocol for defining input data and validating output data.

As far as the Air matrix is concerned, the IRIDE simulation models are represented by the packages CalRoadsView, for road sources, AermodView and CALPUFF, for point, linear and areal sources, and by AEDT in case of airport sources. For the noise matrix, IRIDE uses SoundPLAN and INM software.