BREEZE AERMOD/ISC is available in two editions: Pro and Pro Plus. BREEZE AERMOD Pro is suitable to conduct complete air dispersion modeling analyses and reporting. The Pro Plus edition offers additional features and functionality to increase efficiency as well as advanced post-processing and results tools.

Read the release notes for the full list of features and bug fixes

  • The latest U.S. EPA AERMOD 19191 executable and U.S. EPA BPIPPRM 19191_DRFT executable, which include the following enhancements:

    • A BETA RLINE roadway source type
    • An ALPHA RLINEXT roadway source type
    • Two enhanced building downwash ALPHA options
    • Enforcement of the use of the ALPHA option for RLINE/RLINEXT/BUOYLINE urban sources
    • Enforcement of the use of the ALPHA option for Method 2 particle deposition and Gaseous deposition 

  • Enables BREEZE-enhanced version and high-speed parallel version of the latest AERMOD 19191 executable
  • Increased available memory so that large size image files can be imported
  • Adds an option for 64-bit operating system users to select between running the 64-bit or 32-bit version of AERMOD
  • Preserves compatibility with U.S. EPA AERMOD versions 18081, 16216r, 15181, 14134, 13350, 12345, 12060, 09292, and 07026
  • Includes a basic, merge-only version of BREEZE AERMET and a basic version of BREEZE MetView
  • Streamlines graphical user interface for more intuitive and easier dispersion modeling
  • Automates importing of a geo-referenced basemap file with certain data file format
  • Generates an aligned or geo-referenced file after manually importing a basemap and geo-referencing it
  • Imports 2D and 3D geometric data with AutoCAD's .dwg/dxf file formats
  • Simplifies the setup of pre-modeling objects with a variety of utilities
  • Analyzes post-modeling results using BREEZE 3D Analyst, tables for sensitive receptors, and 3D visuals for surface terrain
  • Organizes model scenarios using a skeleton and neat file structure for better file management
  • Uses inputs that are consistent and compatible with U.S. EPA AERMOD inputs, including test cases in U.S. EPA SCRAM website
  • Streamlines NO2, SO2 and PM2.5 modeling for U.S. NAAQS
  • Adds a feature to allow applying an in-stack NO2/NOx ratio to multiple sources all at once for all source types
  • Incorporates the Ambient Ratio Method (ARM) and ARM2 for NO2 modeling
  • Adds a new tool to facilitate users to calculate buoyancy parameters for buoyant line sources
  • Models an unlimited number of sources and receptors
  • Models numerous source types including point / stack (vertical, horizontal and capped), area, volume, open pit, flare, BREEZE area line and EPA area line
  • Models numerous receptor types including discrete Cartesian grid, polar grid, and variable density grid
  • Models multiple emission scenarios simultaneously
  • Models an unlimited number of buildings with integrated BPIP analysis and downwash
  • Utilizes CAD drawing tools
  • Supports 7.5 DEM, 1 minute DEM, XYZ, and NED terrain data files
  • Uses historical, hourly meteorological data with single or multiple hours
  • Includes BREEZE AERMOD Parallel and Remote Parallel modeling option
  • Includes ISC model

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