Modeling Software
This page last reviewed January 25, 2010
This page presents software and documentation available via the California Air Resources Board Information System (CARBIS). The downloading and / or use of any software from this page and its subsequent links designates your agreement to the terms and conditions stated in the Disclaimer / Conditions of Use. If you have suggestions for freely-redistributable modeling software that should be listed here, please send e-mail to webmaster. You may also be interested in ARB's modeling activities website and other ARB-maintained databases.Motor Vehicle Registration Fee Program
Cost-Effectiveness Analysis ToolsAir Quality Models and Documentation
| The following is a collection of modeling software and some associated documentation. Please be aware that there may be a fee for reproduction and distribution associated with some of these programs. |
| TOXICS AND PERMITTING: |
| California Puff Model (CALPUFF) |
| CALPUFF is maintained by Earth Tech, Inc. The CALPUFF system of files and documentation are located on Earth Tech's website. |
| http://www.src.com/index.htm |
| Industrial Source Complex Short Term (ISCST3) Model |
| ISCST3 is maintained by U.S. EPA. The ISCST3 system of files and documentation are located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| SCREEN3 Model |
| SCREEN3 is maintained by U.S. EPA. The SCREEN3 system of files and documentation are located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| T-SCREEN Screening Model |
| TSCREEN is maintained by U.S. EPA. The TSCREEN system of files and documentaion are located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| California Line Source Dispersion Model (CALINE-4) |
| CALINE-4 is maintained by the California Department of Transportation (Caltrans). The CALINE-4 system of files and documentation are located on the Caltrans website. |
| http://www.dot.ca.gov/hq/env/air/index.htm |
| Wind Rose Plotting Program (WRPLOT) |
| WRPLOT is maintained by U.S. EPA. The WRPLOT files and documentation are located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| PHOTOCHEMICAL MODELS: |
| California
Photochemical Grid Model
(CALGRID) Comprehensive Air Quality Model with Extensions (CAMx) SARMAP Air Quality Model (SAQM) |
| METEOROLOGICAL MODELS: |
| California Meteorological Model (CALMET) |
| CALMET is maintained by Earth Tech, Inc. The CALMET is part of the CALPUFF system of files which, along with documentation, are located on Earth Tech's website. |
| http://www.src.com/index.htm |
| Mesoscale Model 5 (MM5) |
| EMISSION INVENTORY MODELS: |
| Motor
Vehicle Emission Inventory Model
(EMFAC 2007) Off-Road Emissions Model (OFF-ROAD) Transportation and Land Use Programs Model (URBEMIS 2007) Emissions Modeling System (EMS95) |
| MODELING SYSTEMS: |
| SARMAP
Modeling System Environmental Decision Support System (EDSS) Models 3 |
| OTHER MODELS: |
| Census
Data Gridding Program (CDGP) SIMPLEV Electric and Hybrid Vehicle Simulation Model |
| OTHER MODELING SITES: |
| U.S. EPA's Library of Air Quality Modeling Software |
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| USER GUIDES: |
| SCREEN3 User's Guide |
| SCREEN3 is maintained by U.S. EPA. The SCREEN3 User's Guide is located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| ISCST3 User's Guide |
| http://www.epa.gov/scram001/aqmindex.htm |
| T-SCREEN User's Guide |
| TSCREEN is maintained by U.S. EPA. The TSCREEN User's Guide is located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| U.S. EPA's Library of Air Quality Modeling User's Guides |
| GUIDANCE DOCUMENTS: |
| Guideline on Air Quality Models |
| U.S. EPA's Guideline on Air Quality Models is maintained by U.S. EPA. The Guideline on Air Quality Models, Appendix W to Part 51, Federal Register, 40 CFR Ch. I (1999 Edition) is located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| Screening Procedures for Estimating the Air Quality Impact of Stationary Sources |
| The Screening Procedures for Estimating the Air Quality Impact of Stationary Sources and Update are maintained by U.S. EPA. The Guides are located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| Guideline for Regulatory Application of the Urban Airshed Model |
| Meteorological Monitoring Guidance for Regulatory Modeling Applications |
| The Meteorological Monitoring Guidance for Regulatory Modeling Applications is maintained by U.S. EPA. The Guide is located on U.S. EPA's website. |
| http://www.epa.gov/scram001/aqmindex.htm |
| U.S. EPA's Library of Modeling Support and Guidance |
| RESEARCH REPORTS: |
| WEATHER COMPUTER MODELS |