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Latest News

Jun 2019...

AERMOD View 9.7.0 Released!

- Land Use Creator Updates
- Receptor Import/Export

see release notes

Oct 2018...

CALPUFF View 8.6 Released!

- Sensitive Receptor Reports
- BACK.DAT File Maker
- Receptor Selection Update

see release notes

Jul 2018...

AERSCREEN View 2.6 Released!

- 18081 Model Updates
- Automated Tile Maps

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