State air quality programs are charged with developing and implementing regulations aimed at protecting public health and the environment from the effects of air pollution. Meteorologists working with state programs are usually responsible for assessing current and projected future air quality, either through state permitting programs or for general planning purposes. New regulatory programs combined with new analysis tools and increased data availability have put new demands on state air pollution meteorologists. These demands are requiring greater skills in using these tools for air quality analysis. I will present a paper on the state air pollution meteorologist's use of environmental information with some of the new tools available (or being developed) for regulatory programs. Examples will be shown.