BREEZE CALPUFF improves productivity by offering users many advantages. The careful design of this air dispersion model enables modelers to streamline all aspects from setup to model execution to results analysis. BREEZE CALPUFF saves you time and money by minimizing duplicate data entry and data entry mistakes. BREEZE's professional staff of modelers, meteorologists, scientific software specialists, and PhDs are available to assist you with the science behind the software.

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

  • Supports the latest U.S. EPA-approved version of the CALPUFF modeling system: CALPUFF Version 5.8.5, CALMET Version 5.8.5 and CALPOST Version 6.221
  • Supports one of Exponent's latest versions of the CALPUFF modeling system (version 6)
  • Updates map control to feature significant improvements to the Map view
  • Includes the implementation of various bug fixes
  • Adds a feature to input parameters for the radiological decay option, a type of chemical transformation that can be modeled with CALPUFF version 6.42 or later
  • Streamlines graphical user interface for more intuitive and easier dispersion modeling
  • Simplifies the setup of pre-modeling objects with a variety of utilities
  • Analyze post-modeling results with multiple tools including BREEZE 3D Analyst and the processing of sensitive receptors
  • Organizes model scenarios using a skeleton and neat file structure for better file management
  • Includes back compatibility with previous BREEZE CALPUFF projects
  • Integrates with the BREEZE 3D Analyst
  • Streamlines post-processing visibility
  • Models numerous source types including point, area, volume, and buoyant line
  • Models numerous receptor types including discrete Cartesian grid, polar grid, and variable density grid
  • Models buildings with integrated BPIP analysis and downwash
  • Imports buildings, sources, and receptors from ISC/AERMOD input files
  • Draw sources with CAD drawing tools
  • Supports 7.5 DEM and 1 minute USGS DEM
  • Supports three-dimensional meteorological fields as well as single station meteorology

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Related Products & Services

  • Model-ready meteorological data for the CALPUFF and CALMET models

  • Model air quality impacts due to industry emissions for permitting and planning purposes

  • Air dispersion modeling suite that predicts air quality impacts from moving and idling motor vehicles

  • Analyze and visualize model results plus meteorological and terrain data

  • Custom EHS, modeling, and programming solutions

Upcoming Training

Fundamentals of Air Dispersion Modeling

  • New Orleans, LA | Oct 16 - 17, 2018
  • Denver, CO | Feb 05 - 06, 2019
  • Newark, NJ | Apr 09 - 10, 2019

AERMOD Modeling Computer Lab

  • New Orleans, LA | Oct 18 - 19, 2018
  • Denver, CO | Feb 07 - 08, 2019
  • Newark, NJ | Apr 11 - 12, 2019

Practical Air Dispersion Modeling Workshop

  • London, United Kingdom | Oct 10 - 12, 2018
  • London, United Kingdom | Oct 10 - 12, 2018
  • Chicago, IL | Nov 07 - 09, 2018

Practical Air Dispersion & Accidental Release Modeling Workshop - International

  • Kuala Lumpur, Malaysia | Aug 08 - 10, 2018
  • Seoul, South Korea | Sep 12 - 14, 2018
  • London, United Kingdom | Oct 10 - 12, 2018

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