Release Dates


BEEST 12.01 was released November 7, 2019.


  • Full support for AERMOD 19191 (except RLINEXT)
  • Updated Day View in Met Options to display met data from AERMET 19191 files
  • Changed names of temporary files to prevent the failure of partitioned AERMOD model runs
  • Support for BPIPPRM 19191_DRFT
  • Restored the Download ArcGrid button on the Calculate Domain Limits for AERMAP form
  • Added warning for selecting 1-hour and other short-term averages for SO2 and NO2 in Control Options
  • Added warning for selecting 24-hour and other short-term averages for PM2.5 in Control Options


  • Fixed bug in reading the year from the AerMinute output file


  • The folder where downloaded files are saved is selected on the Download tab


AERMOD Wizard 1.02 was released October 14, 2019.

AERMOD Wizard:

  • Support for processing monitoring data for 3-hour SO2, annual NO2 and annual PM2.5
  • Support for EPA monitoring data updated May 2019
  • Calculate trajectories for AERMET surface (.SFC) files
  • Select colors for trajectory line segments in Preferences


  • Full support for AERMET 19191
  • AerMet displays error messages on the Run tab when filenames are too long

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