BREEZE AERMOD / ISC is a new generation air quality modeling system used to support both regulatory and non-regulatory modeling requirements worldwide.
Without a doubt, BREEZE AERMOD offers you the most complete air quality modeling system available on the market today. No other application is used by more air quality professionals around the world. BREEZE AERMOD provides new and seasoned modelers with the tools and functionality required to perform air quality analyses that help to address both permitting / regulatory and nuisance issues.

Click the image for a demo No other AERMOD product is close to what BREEZE has to offer.
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Professional (Pro) - $1495 The extra tools and functionality you need to make you more efficient. Includes ISC Pro.
Pro Plus - $1995 (upgrade from Pro for only $500) AERMOD Pro Plus is the highest level of performance and functionality in an air quality modeling system. Includes ISC Pro. |
Click here to learn about the latest EPA updates to the AERMOD modeling system including the NEW AERMOD VERSION 11353 that was released on December 21, 2011. BREEZE AERMOD Version 7.4 features the new AERMOD executable, updated parallel capabilities, and a number of other enhancements.
Explore our training opportunities.
BREEZE AERMOD is loaded with features that optimize your modeling. Although there are numerous options, the intuitive user interface is extremely easy to learn and understand. As a Microsoft Certified Partner, BREEZE conforms to design guidelines for products specifically developed for the Microsoft® Windows operating system. Significant effort has gone into giving users the option to hide many of the data entry options that they might not require. For example, if you are not modeling deposition, you can choose not to show the data entry options related to deposition. This is extremely beneficial to new users or users who model infrequently.
The features that go into BREEZE products are given careful consideration so that only those that provide real value to the user are present. Many other companies rely on BREEZE software to define their own set of features. Our joint application design sessions involve people who actually use the products from different industries, government, and academia.
BREEZE AERMOD is available in two levels of functionality:
- Professional (Pro)
- Pro Plus
| Display Enhancements |
AERMOD Pro |
AERMOD Pro Plus |
| Print and Print Preview |
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| Copy and Copy To |
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| Add Annotations to Map Display |
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| Polygon Manager |
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| 3D Templates |
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| Synchronize Times |
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| Base Maps |
AERMOD Pro |
AERMOD Pro Plus |
| Import Base Map Image Wizard |
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| Toggle Base Map Display On / Off |
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| Map Manager |
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| 3D Surface Color or Texture Maps |
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| 3D Atmospheres |
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| Drape Base Maps and Contours Over Terrain Height Maps |
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| Download Base Maps from the Web |
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| Export Model Objects to DXF |
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| Project File Management |
AERMOD Pro |
AERMOD Pro Plus |
| Long File Names with Spaces |
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| Automatic File Save Option |
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| "Smart" File Naming - Never Overwrite your Results Again! |
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| Automatic File Archiving (Zip file) |
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| Intuitive File Extensions |
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| Sources / Emissions |
AERMOD Pro |
AERMOD Pro Plus |
| Model Unlimited Number of Sources |
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| Point / Stack (vertical, horizontal, capped) |
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| Point Source Specific In-Stack NO2/NOx Ratios |
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| Area (rectangular, circular, polygonal) |
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| Volume |
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| Open Pit |
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| Variable Emission Rates |
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| CEMs Emission Rate, Exit Velocity, Temp. |
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| Variability Multiple Pollutant / Emission Database |
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| Group Sources Individually or with Others |
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| Flare |
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| Area Line |
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| Model Multiple Emission Scenarios Simultaneously |
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| Receptors |
AERMOD Pro |
AERMOD Pro Plus |
| Model an Unlimited Number of Receptors |
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| Discrete Cartesian Grid (uniform, non-uniform, 3D) |
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| Polar Grid (uniform, non-uniform) |
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| Variable Density Grid |
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| Boundary / Fence Lines with Automated Spacing |
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| Automated Offsite / Onsite Receptor Removal Option |
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| Ground Level or Above Ground Level Receptor Locations |
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| Report on User Defined Sensitive Receptors |
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| Building Effects |
AERMOD Pro |
AERMOD Pro Plus |
| Unlimited Building Objects |
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| Simple BPIP Mode |
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| Integrated, One Click, BPIP Analysis |
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| Plume Downwash File for Use with Downwash Analyst |
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| Data Entry |
AERMOD Pro |
AERMOD Pro Plus |
| CAD Drawing Tools |
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| Table / Spreadsheet Entry |
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| Input File Editor (ASCII Editor) |
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| Object Array Generator |
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| Model Object Importation |
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| Copy / Paste in Map or Data Explorer Views |
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| Terrain / Elevation Data Processing |
AERMOD Pro |
AERMOD Pro Plus |
| Terrain DEM Import Wizard |
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| 7.5 Minute DEM Files |
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| 1 Degree DEM Files |
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| NED Data Files |
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| Auto Height Map / Base Map Creation |
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| Terrain DEM Boundaries |
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| Assign Elevations to One or More Model Object Type |
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| Detailed Reporting |
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| Parallel Processing Available as an Upgrade |
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| XYZ Terrain Files |
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| Compatibility with Both E,W,N,S Hemispheres |
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XYZ2DEM Utility  |
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| Meteorological Data Processing |
AERMOD Pro |
AERMOD Pro Plus |
| Uses Historical, Hourly Meteorological Data |
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| Model a Single or Multiple Hours |
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| Create Wind Rose Plots |
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| Table Display (of meteorological parameters) |
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| Includes AERMET Stage 3 |
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| Model Output |
AERMOD Pro |
AERMOD Pro Plus |
| Calculate Percentiles and Block Averages |
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| Summary HTML report |
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| Files for Post Processing and Plotting High Values |
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| Files for Post Processing and Plotting Sequential Averaging Period Values |
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| Maximum Threshold Values |
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| Rank Files |
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| Debug Files |
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| Export Tabular Results to Microsoft® Excel® files |
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| Downwash Plume Centerline File |
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| Model Execution |
AERMOD Pro |
AERMOD Pro Plus |
| Includes AERMOD Parallel |
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| Intuitive Runtime Display |
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| Warnings / Errors Notification |
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| Option to Use Prior Versions of Fortran Executable |
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| Remote Parallel Modeling Option |
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| Batch Submittal of Runs to Remote Modeling System |
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| Event Processing |
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| Model Multiple Scenarios Simultaneously (MSP) |
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| Enhanced Runtime Display |
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| Schedule Model Runs |
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| Plotting |
AERMOD Pro |
AERMOD Pro Plus |
| Hot Spot Analysis (High display and Info button) |
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| Multiple Gridding Methods (parallelized) |
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| Internal Contour Plotting to Map View |
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| Post Analysis with Filtering |
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| Internal Contour Plotting to 3D View |
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| Plot to Surfer® |
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| Plot to Google Earth™ |
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| Time Series Plotting in Google Earth™ |
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| Export to Shapefiles |
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| Plot to Scalable Vector Graphics |
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| Data Manipulation / Analysis |
AERMOD Pro |
AERMOD Pro Plus |
| Extract Block Averages |
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| Extract Rolling Averages |
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| Extract Percentiles |
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| Extract Highs |
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| Extract Thresholds |
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| Extract Exceedances |
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Extract Daily Maximum  |
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NO2 & SO2 Post-Processing  |
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| Data Transformation |
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| Radius of Influence (ROI) Tool |
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| Combine Multiple Post-Processed POST Files into a Single File |
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| Merge Plot Files |
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| Merge Post Files |
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| Export Data to XYZC Format |
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| Export Data to VTK Format |
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| Export Data to XYZ Format |
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| Dynamic Inter-node Interpolation |
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| Animation |
AERMOD Pro |
AERMOD Pro Plus |
| Map Animation (contour plots over time) |
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| 3D Animation (contour plots over time) |
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| Cross Section Animation (contour plots over time) |
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| Contribution Chart Animation |
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| Distribution Chart Animation |
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| Google Earth Contour Animation (over time) |
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| Productivity Tools |
AERMOD Pro |
AERMOD Pro Plus |
| Polygon Manager |
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| Ozone File Editor |
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| Coordinate Conversion Utility |
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| Geo Data Plotting |
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| Geo Data Exporting |
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| Transform Model Coordinates |
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| Data Flowchart |
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BRMS Merger Utility  |
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Daily Maximum Processor Utility  |
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| Licensing |
AERMOD Pro |
AERMOD Pro Plus |
| Perpetual |
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| Roaming |
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Modelers don't want a modeling system that is more trouble than it's worth. They want a system that is backed by expert technical support, a large user community, and is compatible with the latest Microsoft operating systems.
The smart, friendly air dispersion modeling system.
Some call BREEZE AERMOD the world's smartest air dispersion modeling system. Why? Because it adapts to your workflow, not the other way around. Here's is the general data entry flow for BREEZE AERMOD.
Click on an icon for more information.
Without a doubt, BREEZE AERMOD offers you the most complete air quality modeling system available on the market today. No other application is used by more air quality professionals around the world. BREEZE AERMOD provides new and seasoned modelers with the tools and functionality required to perform air quality analyses that help to address both permitting / regulatory and nuisance issues.
BREEZE developers have been developing user-friendly graphical user interfaces longer than any other modeling software provider. In fact, BREEZE revolutionized the air modeling industry over 25 years ago when we first introduced commercial software designed to enhance modeler productivity. It is used by regulatory agencies around the world and is a key component of the U.S. Department of Defense's modeling analysis command center (MACC).
Once you experience BREEZE software, you'll see why we are the world leader in providing robust, intuitive, user-friendly modeling applications.
The BREEZE AERMOD application runs on Windows PC's. The following are minimum and recommended system requirements:
Parameter
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Minimum
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Recommended
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Operating System
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Windows XP, Windows Vista, Windows 7 |
Windows XP or Windows 7 |
| Processor |
Intel® 32-bit (x86) or 64-bit (x64) |
Intel® 32-bit (x86) or 64-bit (x64) |
| RAM |
256 MB |
500 MB or greater |
| Available hard disk space |
100 MB |
500 MB or greater |
| CD-ROM |
Not required |
Not required |
| Mouse or pointing device |
Required |
Required |
| Monitor resolution |
1024 x 768 |
1280 x 1024 or greater |
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