Technical Specs

Gaussian Plume Air Dispersion Model


This product is a Microsoft Windows-based program that can be installed in the following Windows operating systems:

  • 32-bit and 64-bit Operating Systems
  • Windows 10

Minimum Requirements:

  • An Intel Pentium 4 processor (or equivalent) or higher
  • At least 2 GB of available hard disk space
  • 1 GB of RAM (2 GB recommended)


AERMOD View is an interface for the AERMOD, ISCST3, and ISC-PRIME US EPA air dispersion models. See below technical specifications for these three models:

Model NameAERMOD
Developed ByAERMIC - (American Meteorological Society (AMS) and United States Environmental Protection Agency (US EPA)
Model TypeSteady-state Gaussian plume air dispersion model
RangeUp to 50km from the source
Atmospheric Stability ModelPlanetary boundary layer theory, turbulence scaling concepts
Wind FieldHomogeneous
Release TypesBuoyant or neutrally buoyant plumes
Emissions TypesConstant or time-varying, planned or fugitive
Atmospheric ChemistryNOX to NO2 and SO2 decay
Source TypesPoint, area, volume, open pit, line*, flare*
MeteorologyHourly surface and upper air data (processed by AERMET) Minimum Requirements for AERMOD Surface Meteorological Data File
TerrainFlat or elevated (terrain processed by AERMAP)
ReceptorsSeveral types of grids (Cartesian, polar) and discrete receptors
Other OptionsBuilding downwash (modeled by BPIP-PRIME)
Regulatory StatusPreferred US EPA regulatory model for near-field applications