# EQUATES **URL:** https://forum.cmascenter.org/c/equates/61.md [Latest](https://forum.cmascenter.org/latest.md) · [Categories](https://forum.cmascenter.org/categories.md) · [Tags](https://forum.cmascenter.org/tags.md) --- ## [About the EQUATES category](https://forum.cmascenter.org/t/about-the-equates-category/2723)
**Author:** [@lizadams](https://forum.cmascenter.org/u/lizadams)\ **Replies:** 0
Need help with EQUATES? Search the topics posted here, and/or submit a new one to get help from others! PLEASE READ before posting EQUATES: EPA’s Air QUAlity TimE Series Project EPA scientists have developed a set of m… --- ## [EQUATES Meteorology Performance Evaluation?](https://forum.cmascenter.org/t/equates-meteorology-performance-evaluation/6279)
**Author:** [@crscalpone](https://forum.cmascenter.org/u/crscalpone)\ **Replies:** 1\ **Last updated:** [September 16, 2026, 5:14pm UTC](https://forum.cmascenter.org/t/equates-meteorology-performance-evaluation/6279 "2026-09-16T17:14:37Z")
Dear CMAS Forum, I am using the EQUATES 2019 emissions and meteorology platform, and I am looking for documentation about the model performance evaluation of the WRF inputs. I can see on this EQUATES webpage that it sa… --- ## [EQUATES project E2C\_LU beld4 files](https://forum.cmascenter.org/t/equates-project-e2c-lu-beld4-files/6016)
**Author:** [@hosok004](https://forum.cmascenter.org/u/hosok004)\ **Replies:** 2\ **Last updated:** [September 23, 2025, 4:32pm UTC](https://forum.cmascenter.org/t/equates-project-e2c-lu-beld4-files/6016 "2025-09-23T16:32:20Z")
Hello, I am running CMAQ5.5 and I had a clarifying question about the E2C\_LU input files from the EQUATES Project. As I was looking through the static emission files package, I noticed that beld4 files are only availabl… --- ## [CMAQ5.5 CTM\_BIDI\_FERT\_NH3 setting for EQUATES ag emissions](https://forum.cmascenter.org/t/cmaq5-5-ctm-bidi-fert-nh3-setting-for-equates-ag-emissions/6010)
**Author:** [@hosok004](https://forum.cmascenter.org/u/hosok004)\ **Replies:** 4\ **Last updated:** [September 19, 2025, 2:26pm UTC](https://forum.cmascenter.org/t/cmaq5-5-ctm-bidi-fert-nh3-setting-for-equates-ag-emissions/6010 "2025-09-19T14:26:52Z")
Hello, I had a question regarding CCTM science option settings when using agricultural emissions generated from the EQUATES project SMOKE input files. From what I understand, these files only include livestock NH3 emissi… --- ## [PM25\_OC\_AVG in EQUATES CMAQ output](https://forum.cmascenter.org/t/pm25-oc-avg-in-equates-cmaq-output/5997)
**Author:** [@Huazhen](https://forum.cmascenter.org/u/Huazhen)\ **Replies:** 1\ **Last updated:** [September 19, 2025, 12:41pm UTC](https://forum.cmascenter.org/t/pm25-oc-avg-in-equates-cmaq-output/5997 "2025-09-19T12:41:09Z")
Hi, I’d like to ask what the PM25\_OC\_AVG variable in EQUATES CMAQ output files represent. Does it represent pure carbon mass or the total organic matters mass ( including mass of oxygen, hydrogen, etc.)? Is PM2.5\_avg th… --- ## [WPS Output for EQUATES](https://forum.cmascenter.org/t/wps-output-for-equates/5807)
**Author:** [@joshsun](https://forum.cmascenter.org/u/joshsun)\ **Replies:** 7\ **Last updated:** [July 14, 2025, 2:36pm UTC](https://forum.cmascenter.org/t/wps-output-for-equates/5807 "2025-07-14T14:36:59Z")
Hi CMAS forum, I’m trying to run CMAQ by using EQUATES with my own meteorology data. I should use MCIP to generate the meteorology input for CMAQ. But MCIP need the WPS output file (geoxx.nc). I would like to ask if we … --- ## [Premerged emission files for 2018\_12US1 CMAQ Modeling Platform Data](https://forum.cmascenter.org/t/premerged-emission-files-for-2018-12us1-cmaq-modeling-platform-data/4325)
**Author:** [@huytran6583](https://forum.cmascenter.org/u/huytran6583)\ **Replies:** 15\ **Last updated:** [June 25, 2025, 12:14pm UTC](https://forum.cmascenter.org/t/premerged-emission-files-for-2018-12us1-cmaq-modeling-platform-data/4325 "2025-06-25T12:14:00Z")
Hi, I’m interested in getting premerged emission files of nonpoint sources for the 2018\_12US1 CMAQ Modeling Platform Data. Currently, all nonpoint sources except rwc and biogenic are merged together. Does anybody know … --- ## [NaN or Infinity detected in HADV when turning off ptfire emissions](https://forum.cmascenter.org/t/nan-or-infinity-detected-in-hadv-when-turning-off-ptfire-emissions/5844)
**Author:** [@holajtodos](https://forum.cmascenter.org/u/holajtodos)\ **Replies:** 5\ **Last updated:** [June 6, 2025, 4:53pm UTC](https://forum.cmascenter.org/t/nan-or-infinity-detected-in-hadv-when-turning-off-ptfire-emissions/5844 "2025-06-06T16:53:36Z")
Hi!! I’m currently testing some simulation cases using CMAQ-ready inputs from EQUATES with ptfire emissions turned off. However, the simulations crash due to the presence of NaN or Infinity values in the HADV. For inst… --- ## [EQUATES Memory Leak Issue](https://forum.cmascenter.org/t/equates-memory-leak-issue/4250)
**Author:** [@edliu](https://forum.cmascenter.org/u/edliu)\ **Replies:** 1\ **Last updated:** [July 21, 2023, 6:25pm UTC](https://forum.cmascenter.org/t/equates-memory-leak-issue/4250 "2023-07-21T18:25:34Z")
Hi, I encountered a problem trying to use EQUATES for the continental US run. I would like to link the discussion from another topic to help EQUATES users solve the netcdf4 memory leak issue in the EQUATES category. The … --- ## [Wrfout file of EQUATES](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757)
**Author:** [@joshsun](https://forum.cmascenter.org/u/joshsun)\ **Replies:** 5\ **Last updated:** [April 22, 2025, 8:01pm UTC](https://forum.cmascenter.org/t/wrfout-file-of-equates/5757 "2025-04-22T20:01:15Z")
Hi CMAS forum, I’m trying to run CMAQ with regcm4 data, until now I’ve been running CMAQ with EQUATES data, I think if I have a wrfout file I should be able to convert the regcm4 data to wrfout format and then run CMAQ … --- ## [post-EQUATES emissions](https://forum.cmascenter.org/t/post-equates-emissions/5712)
**Author:** [@haohe.umcp](https://forum.cmascenter.org/u/haohe.umcp)\ **Replies:** 5\ **Last updated:** [April 21, 2025, 1:59pm UTC](https://forum.cmascenter.org/t/post-equates-emissions/5712 "2025-04-21T13:59:44Z")
Hi all, We used EQUATES data to conduct CMAQ simulations to 2019. Does EPA have any similar emissions after 2019, say 2020, 2021, 2022? We want to continue our modeling project to more recent years. Thanks! Hao --- ## [2019 EQUATES Annual Emission Summary Files](https://forum.cmascenter.org/t/2019-equates-annual-emission-summary-files/5687)
**Author:** [@crscalpone](https://forum.cmascenter.org/u/crscalpone)\ **Replies:** 3\ **Last updated:** [March 31, 2025, 7:40pm UTC](https://forum.cmascenter.org/t/2019-equates-annual-emission-summary-files/5687 "2025-03-31T19:40:43Z")
Hello, I’m interested in using the EQUATES annual emissions summary files for 2019, such as those provided for 2002-2017 on the CMAS data warehouse (https://dataverse.unc.edu/dataset.xhtml?persistentId=doi:10.15139/S3/F… --- ## [Temporal Allocation of Residential Fuel Combustion for 2019?](https://forum.cmascenter.org/t/temporal-allocation-of-residential-fuel-combustion-for-2019/5034)
**Author:** [@crscalpone](https://forum.cmascenter.org/u/crscalpone)\ **Replies:** 6\ **Last updated:** [March 24, 2025, 4:37pm UTC](https://forum.cmascenter.org/t/temporal-allocation-of-residential-fuel-combustion-for-2019/5034 "2025-03-24T16:37:54Z")
Hello, I have two questions about the residential and commercial/institutional fuel combustion emissions in the 2019 EQUATES platform. (1) How are residential and commercial/institutional fuel combustion emissions temp… --- ## [CMAQ output for 12US in 2021](https://forum.cmascenter.org/t/cmaq-output-for-12us-in-2021/5641)
**Author:** [@Huazhen](https://forum.cmascenter.org/u/Huazhen)\ **Replies:** 1\ **Last updated:** [March 3, 2025, 8:28pm UTC](https://forum.cmascenter.org/t/cmaq-output-for-12us-in-2021/5641 "2025-03-03T20:28:08Z")
Hi, I found that EQUATES published CMAQ daily average surface concentrations for 14 species for 2002-2019. I’d like to ask if EPA has CMAQ output for the US in 2021. And does EPA have a plan to publish SMOKE-processed … --- ## [Missing MCIP file in EQUATES](https://forum.cmascenter.org/t/missing-mcip-file-in-equates/4527)
**Author:** [@haohe.umcp](https://forum.cmascenter.org/u/haohe.umcp)\ **Replies:** 11\ **Last updated:** [January 16, 2025, 6:33pm UTC](https://forum.cmascenter.org/t/missing-mcip-file-in-equates/4527 "2025-01-16T18:33:08Z")
I am running the 2013 EQUARTES case and found the MCIP tar file of 06/15/2013 is missing in the Google Drive. Could you please upload it? Thanks! Hao --- ## [Seek input data for the hemispheric simulation in EQUATESv1.0](https://forum.cmascenter.org/t/seek-input-data-for-the-hemispheric-simulation-in-equatesv1-0/5385)
**Author:** [@whr](https://forum.cmascenter.org/u/whr)\ **Replies:** 4\ **Last updated:** [December 5, 2024, 2:06am UTC](https://forum.cmascenter.org/t/seek-input-data-for-the-hemispheric-simulation-in-equatesv1-0/5385 "2024-12-05T02:06:06Z")
Hello everyone, I am interested in the hemispheric simulation in EQUATESv1.0. However, I noticed that the input data for the hemispheric simulation (e.g., meteorological data, model-ready emission data, etc.) are not pr… --- ## [Emissions available for specific nonpt SCCs only?](https://forum.cmascenter.org/t/emissions-available-for-specific-nonpt-sccs-only/5148)
**Author:** [@crscalpone](https://forum.cmascenter.org/u/crscalpone)\ **Replies:** 7\ **Last updated:** [September 23, 2024, 5:40pm UTC](https://forum.cmascenter.org/t/emissions-available-for-specific-nonpt-sccs-only/5148 "2024-09-23T17:40:48Z")
Hi all, I am hoping to isolate emissions from individual SCCs from the nonpt sector in the 2019 EQUATES modeling platform, specifically those associated with residential fuel combustion (2104002000, 2104004000, 21040060… --- ## [Do EQUATES PM2.5 estimates include secondary PM2.5?](https://forum.cmascenter.org/t/do-equates-pm2-5-estimates-include-secondary-pm2-5/5217)
**Author:** [@sarahd](https://forum.cmascenter.org/u/sarahd)\ **Replies:** 2\ **Last updated:** [September 13, 2024, 6:29pm UTC](https://forum.cmascenter.org/t/do-equates-pm2-5-estimates-include-secondary-pm2-5/5217 "2024-09-13T18:29:47Z")
Hi everyone, I am looking for clarification on whether the EQUATES PM2.5 estimates represent primary PM2.5 or both primary and secondary PM2.5. I am looking specifically at the PM2.5\_AVG variable in the daily average su… --- ## [EQUATES - Seeking verification of unit of measurement](https://forum.cmascenter.org/t/equates-seeking-verification-of-unit-of-measurement/5161)
**Author:** [@lizroten](https://forum.cmascenter.org/u/lizroten)\ **Replies:** 1\ **Last updated:** [August 22, 2024, 1:32pm UTC](https://forum.cmascenter.org/t/equates-seeking-verification-of-unit-of-measurement/5161 "2024-08-22T13:32:36Z")
Hi folks, I’m trying to verify the unit of measurement for the EQUATES MOVES3 CONUS downloads, available on the EPA site here: https://gaftp.epa.gov/Air/emismod/MOVES3/CONUS/. I suspect that the unit is short tons based… --- ## [Using EQUATES Data with CMAQv5.4](https://forum.cmascenter.org/t/using-equates-data-with-cmaqv5-4/4994)
**Author:** [@gpara35](https://forum.cmascenter.org/u/gpara35)\ **Replies:** 7\ **Last updated:** [August 5, 2024, 3:06pm UTC](https://forum.cmascenter.org/t/using-equates-data-with-cmaqv5-4/4994 "2024-08-05T15:06:30Z")
Hello, I am a new CMAQ user interested in running CMAQv5.4 using EQUATES data. I’ve noticed some pre-processing that will be needed for updates in 5.4, specifically using SMOKE to create an ocean file and also to create… --- ## [EQUATES Vertical Layer height(s)](https://forum.cmascenter.org/t/equates-vertical-layer-height-s/4567)
**Author:** [@amoore](https://forum.cmascenter.org/u/amoore)\ **Replies:** 5\ **Last updated:** [July 9, 2024, 1:18pm UTC](https://forum.cmascenter.org/t/equates-vertical-layer-height-s/4567 "2024-07-09T13:18:47Z")
Hello! My lab is new to using EQUATES data. We are using EQUATES concentrations but have been confused about the vertical height over which concentrations are averaged for a given grid cell. We know that the model uses … --- ## [Sectorial EQUATES Emission Data](https://forum.cmascenter.org/t/sectorial-equates-emission-data/5030)
**Author:** [@Yanshun](https://forum.cmascenter.org/u/Yanshun)\ **Replies:** 0\ **Last updated:** [June 25, 2024, 10:40pm UTC](https://forum.cmascenter.org/t/sectorial-equates-emission-data/5030 "2024-06-25T22:40:03Z")
Hi Everyone, I noticed that the EQUATES (https://dataverse.unc.edu/dataset.xhtml?persistentId=doi:10.15139/S3/F2KJSK) data platform only provides sectoral emissions for point sources. For area-sources, the merged\_nobeis… --- ## [Sample R code for reading EQUATES CMAQ output (netcdf files)](https://forum.cmascenter.org/t/sample-r-code-for-reading-equates-cmaq-output-netcdf-files/3007)
**Author:** [@foley.kristen](https://forum.cmascenter.org/u/foley.kristen)\ **Replies:** 3\ **Last updated:** [June 23, 2024, 7:17pm UTC](https://forum.cmascenter.org/t/sample-r-code-for-reading-equates-cmaq-output-netcdf-files/3007 "2024-06-23T19:17:26Z")
Attached is some sample R code for accessing the 2017 EQUATES CMAQ daily average output netcdf file located in this Google Drive folder. The script shows how to: open the netcdf file extract the variable names and unit… --- ## [Request to add 2019-11 data to AWS (Hemispheric CMAQ daily average 3D concentrations for 44 layers and 260 species)](https://forum.cmascenter.org/t/request-to-add-2019-11-data-to-aws-hemispheric-cmaq-daily-average-3d-concentrations-for-44-layers-and-260-species/5008)
**Author:** [@bethechange](https://forum.cmascenter.org/u/bethechange)\ **Replies:** 1\ **Last updated:** [June 17, 2024, 6:01pm UTC](https://forum.cmascenter.org/t/request-to-add-2019-11-data-to-aws-hemispheric-cmaq-daily-average-3d-concentrations-for-44-layers-and-260-species/5008 "2024-06-17T18:01:59Z")
Hi, I’m using EQUATES background data for some SCICHEM runs. I have been using 2018 data and am now expanding to include 2019 for comparison. I’ve attempted to download these from google drive with little success. After… --- ## [Premerged Nonpoint Emissions for 2019](https://forum.cmascenter.org/t/premerged-nonpoint-emissions-for-2019/4946)
**Author:** [@crscalpone](https://forum.cmascenter.org/u/crscalpone)\ **Replies:** 1\ **Last updated:** [May 20, 2024, 6:48pm UTC](https://forum.cmascenter.org/t/premerged-nonpoint-emissions-for-2019/4946 "2024-05-20T18:48:46Z")
Hello! I am interested in working with the premerged nonpt emissions files for January and July 2019 that went into the January/July 2019 merged area files (emis\_mole\_all\_2019\_12US1\_nobeis\_norwc\_WR413\_MYR\_2019.nc4). The… --- ## [EQUATES WRF namelist](https://forum.cmascenter.org/t/equates-wrf-namelist/4271)
**Author:** [@kiarash\_farzad](https://forum.cmascenter.org/u/kiarash_farzad)\ **Replies:** 15\ **Last updated:** [December 18, 2023, 11:19am UTC](https://forum.cmascenter.org/t/equates-wrf-namelist/4271 "2023-12-18T11:19:44Z")
Hi, I was wondering if the namelist.wrf is available for the runs for EQUATES project. Specifically I am looking for CONUS domain one. Best, Kiarash --- ## [Missing/corrupted files EQUATES 2013](https://forum.cmascenter.org/t/missing-corrupted-files-equates-2013/4495)
**Author:** [@haohe.umcp](https://forum.cmascenter.org/u/haohe.umcp)\ **Replies:** 4\ **Last updated:** [October 23, 2023, 5:05pm UTC](https://forum.cmascenter.org/t/missing-corrupted-files-equates-2013/4495 "2023-10-23T17:05:51Z")
I am using the 2013 EQAUTES case, and found some missing/corrupted files for ICBC/MCIP files in the Google Drive. The BCON for Feb 2013 is missing For Jan 2013 MCIP, the tar files for 01/03 and 01/04 are corrupted (or … --- ## [Date of the emission data from EQUATES](https://forum.cmascenter.org/t/date-of-the-emission-data-from-equates/4480)
**Author:** [@nna](https://forum.cmascenter.org/u/nna)\ **Replies:** 2\ **Last updated:** [October 12, 2023, 8:44pm UTC](https://forum.cmascenter.org/t/date-of-the-emission-data-from-equates/4480 "2023-10-12T20:44:39Z")
Hello everyone, I’m currently using the “run\_cctm.csh” script along with emission data from EQUATES. For some point sources (e.g., “othpt”), EQUATES provides an “emis\_dates” file that specifies the date to use for the s… --- ## [CONC output from EQUATES 12US1 runs](https://forum.cmascenter.org/t/conc-output-from-equates-12us1-runs/4429)
**Author:** [@malvarad](https://forum.cmascenter.org/u/malvarad)\ **Replies:** 2\ **Last updated:** [September 26, 2023, 11:59pm UTC](https://forum.cmascenter.org/t/conc-output-from-equates-12us1-runs/4429 "2023-09-26T23:59:43Z")
We are starting a multi-year fine-scale CMAQ modeling project and we would like to use the 12US1 EQUATES output to generate initial and boundary conditions for our runs. However, we see that only surface output is availa… --- ## [EQUATES Data Missing](https://forum.cmascenter.org/t/equates-data-missing/4019)
**Author:** [@amirdudu](https://forum.cmascenter.org/u/amirdudu)\ **Replies:** 2\ **Last updated:** [March 27, 2023, 5:26pm UTC](https://forum.cmascenter.org/t/equates-data-missing/4019 "2023-03-27T17:26:36Z")
Hello everyone I am trying to run CMAQ with EQUATES data and downloaded the emis files for Dec 2019 from google drive. The data I downloaded is missing “ptfire\_grass” source. And when I tried to download the 2018 data t… [Next page](https://forum.cmascenter.org/c/equates/61.md?page=1)