DNR events have been cancelled due to the Covid-19 outbreak. Safety of our users, attendees, partners and staff is most important. When possible, events will be rescheduled and that information will be distributed accordingly. Please check this site frequently for the latest closures, postponements and updates.
Pre-Processed Meteorological Data for AERMOD

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. Use the links at the bottom of the page to download the latest pre-processed (model-ready) Iowa DNR approved meteorological data for use in AERMOD.

2010 - 2014 Meteorological Data

Downloads