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Latest News

May 2017...

AERMOD View 9.4 Released!

- Updated AERMET 16216
- Import Project Wizard
- Data Input Checks

see release notes

Mar 2017...

AERSCREEN View 2.5 Released!

- Adjust U-Star option

see release notes

Mar 2017...

CALPUFF View 8.5 Released!

- Updated NED downloads
- Improved model QA

see release notes

Oct 2016...

CALRoads View 6.5 Released!

- New Lakes Satellite mapping system
- Excel Import/Export ETS Data
- Met View Graph display

see release notes



Lakes Environmental FREE Software

Lakes Environmental is proud to offer you the following software products as freeware.



Screening Air Dispersion Model
SCREEN View - Freeware
SCREEN View is designed for screening level air dispersion modeling using the US EPA SCREEN3 model.  With conservative calculations and simplified input requirements, SCREEN View is ideal for initial air dispersion screening runs.

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Wind Rose Plots for Meteorological Data WRPLOT View - Freeware
WRPLOT View is a fully operational wind rose program for your meteorological data. It provides frequency analysis, visual wind rose plots, and generates wind rose statistics and plots for several meteorological data formats.

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Percent View



Percentiles for AERMOD and ISC Postfiles
Percent View - Freeware
Percent View is a utility that computes rolling averages and generates percentile concentrations for the following US EPA air dispersion models: AERMOD, ISCST3, and ISC-PRIME.

go to download page