# AERMOD **URL:** https://forum.cmascenter.org/c/aermod/97.md [Latest](https://forum.cmascenter.org/latest.md) · [Categories](https://forum.cmascenter.org/categories.md) · [Tags](https://forum.cmascenter.org/tags.md) --- ## [About the AERMOD category](https://forum.cmascenter.org/t/about-the-aermod-category/4330)
**Author:** [@lizadams](https://forum.cmascenter.org/u/lizadams)\ **Replies:** 0
The AERMOD Modeling system is an air quality disperson modeling system. Additional resources may be found here: Support Center for Regulatory Atmospheric Modeling We have added this category as several questions ha… --- ## [Aermod Input Data Issue](https://forum.cmascenter.org/t/aermod-input-data-issue/6066)
**Author:** [@srikanth2005](https://forum.cmascenter.org/u/srikanth2005)\ **Replies:** 1\ **Last updated:** [November 20, 2025, 2:17pm UTC](https://forum.cmascenter.org/t/aermod-input-data-issue/6066 "2025-11-20T14:17:33Z")
I am in the process of executing the Aermet executable on windows to generate the input files for AERMOD (v24142). For the same I have tried to use the US EPA and Uni of Wyoming websites for the surface and Upper Air pro… --- ## [Transition ISD to GHCNh](https://forum.cmascenter.org/t/transition-isd-to-ghcnh/5985)
**Author:** [@yosuke](https://forum.cmascenter.org/u/yosuke)\ **Replies:** 1\ **Last updated:** [September 7, 2025, 9:06pm UTC](https://forum.cmascenter.org/t/transition-isd-to-ghcnh/5985 "2025-09-07T21:06:54Z")
Need help running AERMOD? If so, first search existing topics under this category, and if your issue is new, post a new topic. PLEASE READ before posting Describe your issue in detail What version of the AERMOD softwar… --- ## [Radiosonde Data Availability for AERMET](https://forum.cmascenter.org/t/radiosonde-data-availability-for-aermet/5279)
**Author:** [@danfrieds](https://forum.cmascenter.org/u/danfrieds)\ **Replies:** 1\ **Last updated:** [October 10, 2024, 4:26am UTC](https://forum.cmascenter.org/t/radiosonde-data-availability-for-aermet/5279 "2024-10-10T04:26:48Z")
Hi all. I am attempting to run the preprocessor AERMET, and the website my lab has been using to obtain Radiosonde data, NOAA - Global Systems Laboratory, has been permanently deactivated by NOAA, as of last week. Does a… --- ## [Specifying grid height in RE pathway](https://forum.cmascenter.org/t/specifying-grid-height-in-re-pathway/4736)
**Author:** [@Blaise](https://forum.cmascenter.org/u/Blaise)\ **Replies:** 5\ **Last updated:** [February 29, 2024, 12:43pm UTC](https://forum.cmascenter.org/t/specifying-grid-height-in-re-pathway/4736 "2024-02-29T12:43:31Z")
On page 3-133 of the userguide it explains how to define a simple cartisian grid. RE GRIDCART CG1 STA XYINC -5000. 11 1000. -5000. 11 1000. RE GRIDCART CG1 END This is a beautifully concise way to get contour outputs… --- ## [AERMOD IDF Files](https://forum.cmascenter.org/t/aermod-idf-files/4623)
**Author:** [@joter](https://forum.cmascenter.org/u/joter)\ **Replies:** 2\ **Last updated:** [January 24, 2024, 3:57pm UTC](https://forum.cmascenter.org/t/aermod-idf-files/4623 "2024-01-24T15:57:31Z")
Hi, IDF use in AERMOD are not easy to find outside the United States. How can they be created? Is there any tool available to convert a CSV or EPW to this format. --- ## [AERMOD PM2.5 monthly averages](https://forum.cmascenter.org/t/aermod-pm2-5-monthly-averages/4451)
**Author:** [@bee](https://forum.cmascenter.org/u/bee)\ **Replies:** 1\ **Last updated:** [November 1, 2023, 7:51pm UTC](https://forum.cmascenter.org/t/aermod-pm2-5-monthly-averages/4451 "2023-11-01T19:51:23Z")
Hi all. I want to generate monthly average for PM2.5, i’ve read the AERMOD Userguide and it says cannot applied for POLLUTID PM2.5. Therefore, i ran the 24-hr and annual averages for PM2.5. Is it possible to get the mont… --- ## [Vertical levels in AERMOD](https://forum.cmascenter.org/t/vertical-levels-in-aermod/4283)
**Author:** [@FOH](https://forum.cmascenter.org/u/FOH)\ **Replies:** 2\ **Last updated:** [September 11, 2023, 8:25pm UTC](https://forum.cmascenter.org/t/vertical-levels-in-aermod/4283 "2023-09-11T20:25:56Z")
Hello, everyone, I would want to know how many vertical layers is recommended to use in the Meterological Profile file (PFL) to be used on AERMOD? Maybe only two levels (2 and 10 meters) or should be more? --- ## [Aermod.inp: I got the same values both PM10 and PM2.5](https://forum.cmascenter.org/t/aermod-inp-i-got-the-same-values-both-pm10-and-pm2-5/4311)
**Author:** [@FOH](https://forum.cmascenter.org/u/FOH)\ **Replies:** 1\ **Last updated:** [September 11, 2023, 8:25pm UTC](https://forum.cmascenter.org/t/aermod-inp-i-got-the-same-values-both-pm10-and-pm2-5/4311 "2023-09-11T20:25:11Z")
Currentely, I’m using “MODELOPT CONC FLAT ELEV BETA” in the aermod.inp. My sfc and pfl files are generated from WRF (using MMIF). I’d like to model the PM10 and PM2.5 in AERMOD. However, when I did tests (using the same… --- ## [More than one pollutant in POLLUTID](https://forum.cmascenter.org/t/more-than-one-pollutant-in-pollutid/4309)
**Author:** [@FOH](https://forum.cmascenter.org/u/FOH)\ **Replies:** 1\ **Last updated:** [September 11, 2023, 8:24pm UTC](https://forum.cmascenter.org/t/more-than-one-pollutant-in-pollutid/4309 "2023-09-11T20:24:24Z")
Hi everyone, I would like to know if it is possible to run with more than one pollutant in the AERMOD. Can you add more than one pollutant in the POLLUTID keyword from aermod.inp, perhaps separated by a space? --- ## [Aermod dispersion modelling](https://forum.cmascenter.org/t/aermod-dispersion-modelling/3702)
**Author:** [@ievalaganovska](https://forum.cmascenter.org/u/ievalaganovska)\ **Replies:** 1\ **Last updated:** [November 15, 2022, 6:49pm UTC](https://forum.cmascenter.org/t/aermod-dispersion-modelling/3702 "2022-11-15T18:49:27Z")
Question for air pollution modelers, who use AERMOD VIEW. I am modelling air pollution for a pig farm. Pig farm ventilation systems operate differently each month, so I have to implement those changes throughout the yea…