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Preprocessed met data for any location worldwide.

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Latest News

Oct 2016...

AERMOD View 9.2 Released!

- New Lakes Satellite mapping system
- NLCD 2001 in Land Use Creator
- Source input enhancements

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

Aug/Sep 2016...

CALPUFF View 8.4 Released!

- New US EPA CALMET & CALPUFF models (Version 5.8.5)
- New Lakes Satellite mapping system

see release notes

 

Modeling Data

Sources of Air Quality Modeling Data
 

See below links to several sources of data for your air quality modeling projects:

Meteorological Data

WebMet.com Data SourceWebMET - Free Meteorological Data

WebMET.com provides free meteorological data for both the United States and Canada! The site not only includes free met data for air dispersion models, but links to meteorological books, videos, software and more. Explore and Learn using WebMET for all things meteorological.

US Met Data
Canada Met Data

Terrain Data

WebGIS - Free Terrain DataWebGIS.com Data Source

WebGIS.com contains extensive map coverage for technical applications including Air Dispersion Modeling, Human Health & Ecological Risk Assessment and Terrain Processing for free! These maps are ready for download in various formats, to facilitate your modeling.

SRTM - Shuttle Radar Topography Mission - Terrain data in resolutions of 90m and 900m covering the entire world and of 30m for the US (FREE):

SRTM1 (U.S. Coverage ~30m)
SRTM3 (Global Coverage ~90m)
SRTM30 (Global Coverage ~900m)

Land Use Data

GLCC - Global Land Cover Characterization - Land Use/Land Cover data in 900Land Use Mapm resolution covering the entire world:

GLCC (Global Coverage ~1km)