The following map depicts which meteorological stations are considered representative of each county in the state as they apply to the AERMOD air dispersion model. Click on a county to download the latest pre-processed (model-ready) Iowa DNR approved meteorological data for use in AERMOD, or use the links at the bottom of the page.

2005 - 2009 Meteorological Data

Downloads

• Printer-friendly version of the map shown above
• 2005 - 2009 AERMOD Met Data Technical Support Document (9 MB)
  2005 - 2009 AERMOD Met Data Technical Support Document - For Print (23 MB)

2005 - 2009 AERMOD Meteorological Data
• Ames
• Burlington
• Cedar Rapids
• Davenoprt
• Des Moines
• Dubuque
• Estherville
• Iowa City
• La Crosse
• Lamoni
• Marshalltown
• Mason City
• Moline
• Omaha
• Ottumwa
• Sioux City
• Sioux Falls
• Spencer
• Waterloo

2000 - 2004 Meteorological Data

The 2000 - 2004 data will remain available until 6/30/2012, and may be used for projects with approved modeling protocols until that time.  All other projects should use the 2005 - 2009 data available above.

Downloads

• Printer-friendly version of the map shown above
• 2000 - 2004 AERMOD Met Data Representivity Analysis

2000 - 2004 AERMOD Meteorological Data
• Burlington
• Cedar Rapids
• Des Moines
• Dubuque
• Mason City
• Moline
• Omaha
• Sioux City
• Sioux Falls
• Waterloo