Air quality modelling continues to be important for assessing air quality impacts and managing air quality. It provides quantitative linkage between emissions at the source and the quality of air we breathe.

Dispersion modelling has been used for decades throughout Australia and New Zealand to provide regulatory impact assessment of a new or existing air pollution source in its local area. It is also used to assess the cumulative impacts in the context of existing air quality. Dispersion modelling plays an important role in licensing, air resource management, risk assessment and land-use planning. Regional air quality modelling has played an important role in predicting future air quality for our largest cities and populated regions. It is also used to evaluate the future effectiveness of proposed regulatory programs. Regional air quality modelling will become more and more important in the future when population growth puts more pressure on our environment.

The primary purpose of ModSIG is to bring together CASANZ members who have an interest in the development and/or application of air quality models in order to exchange ideas, identify common problems, inform members of new developments, and establish, as appropriate, a ‘ModSIG view’ on issues of relevance. ModSIG is aimed to be a community that provides quality training opportunities and guidance to our members in the area of air quality modelling. In the same air and virtual machines, we live and prosper!

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