# OMI Aerosol optical depth product not supported?

**URL:** https://forum.atmospherictoolbox.org/t/omi-aerosol-optical-depth-product-not-supported/784
**Category:** HARP
**Created:** [May 9, 2024, 6:37am UTC](https://forum.atmospherictoolbox.org/t/omi-aerosol-optical-depth-product-not-supported/784 "2024-05-09T06:37:07Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![rgryan](https://forum.atmospherictoolbox.org/letter_avatar_proxy/v4/letter/r/91b2a8/32.png) [@rgryan](https://forum.atmospherictoolbox.org/u/rgryan)
#### Post date: [May 9, 2024, 6:37am UTC](https://forum.atmospherictoolbox.org/t/omi-aerosol-optical-depth-product-not-supported/784/1 "2024-05-09T06:37:07Z")

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Hi there,  
New HARP user, loving the ease of using HARP for TROPOMI.  
I’m having trouble with reading in OMI aerosol data though, specifically the ‘OMI-Aura\_L2G-OMAERUVG’ files. I get an ‘unsupported product’ error.  
I am following the Use Case mentioning OMI NO2, but swapping for the relevant aerosol optical depth variables and correct file names.  
Any suggestions on how to proceed?

- Thanks

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### Author: ![sander.niemeijer](https://forum.atmospherictoolbox.org/user_avatar/forum.atmospherictoolbox.org/sander.niemeijer/32/5_2.png) [@sander.niemeijer](https://forum.atmospherictoolbox.org/u/sander.niemeijer)
#### Post date: [May 13, 2024, 7:19am UTC](https://forum.atmospherictoolbox.org/t/omi-aerosol-optical-depth-product-not-supported/784/2 "2024-05-13T07:19:04Z")

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HARP does not support the L2G files. It only supports the ‘regular’ L2 files.  
So if you want to use HARP for processing, please download the L2 products.