Release Dates


BEEST 12.02 was released February 21, 2020.


  • Fixed bug in deleting objects within a selected area
  • Moved old guidance documents to website


AERMOD Wizard 1.03 was released February 18, 2020.

AERMOD Wizard:

  • Support for processing MERPs data
  • Support for EPA monitoring data updated November 2019


  • Support for processing met data for 2020
  • A pollutant rose is centered on the monitoring site

AerScreen for Windows

AerScreen for Windows 4.00 was released January 17, 2020.

AerScreen for Windows:

  • AerScreen for Windows now supports AERMOD 19191
  • Updated website for downloading terrain data files

Terrain Files Converter:

  • Converts terrain data files in ArcGrid format to GeoTIFF files for AERMAP

Professional CalPuff

Professional CalPuff 4.00 was released August 26, 2016.

  • Added support for running CALPUFF version 5.8.5
  • Added support for running CALMET version 5.8.5
  • Changed the default installation folder

Screen3 for Windows

Screen3 for Windows 6.04 was released December 30, 2015.

  • Changed the default installation folder
  • Changed the folder used for storing the preferences file

Slab for Windows

Slab for Windows 6.00 was released January 19, 2016.

  • Slab for Windows exports outputs to Surfer

Inpuff2 for Windows

Inpuff2 for Windows 6.00 was released January 21, 2016.

  • Inpuff2 for Windows includes version 2.6 of the INPUFF model
  • Inpuff2 for Windows exports input and output data to Google Earth