# \#sentinel-5p **URL:** https://forum.atmospherictoolbox.org/tag/sentinel-5p/1.md [Latest](https://forum.atmospherictoolbox.org/latest.md) · [Categories](https://forum.atmospherictoolbox.org/categories.md) · [Tags](https://forum.atmospherictoolbox.org/tags.md) --- ## [Harpmerge doesn't work anymore with TROPOMI SO2 L2](https://forum.atmospherictoolbox.org/t/harpmerge-doesnt-work-anymore-with-tropomi-so2-l2/938)
**Author:** [@nkadygrov](https://forum.atmospherictoolbox.org/u/nkadygrov)\ **Replies:** 2\ **Last updated:** [February 26, 2026, 4:24pm UTC](https://forum.atmospherictoolbox.org/t/harpmerge-doesnt-work-anymore-with-tropomi-so2-l2/938 "2026-02-26T16:24:17Z")
I was using harpmerge (1.29, conda installation) to create gridded netcdf files from L2 orbit data. In the end of 2025, the format of L2 data has been changed, and now I have error (when I tried to apply “SO2\_column\_num… --- ## [Sentinel 5p CO L2 product using HARP](https://forum.atmospherictoolbox.org/t/sentinel-5p-co-l2-product-using-harp/921)
**Author:** [@gezahegnsufaa](https://forum.atmospherictoolbox.org/u/gezahegnsufaa)\ **Replies:** 5\ **Last updated:** [August 27, 2025, 1:05pm UTC](https://forum.atmospherictoolbox.org/t/sentinel-5p-co-l2-product-using-harp/921 "2025-08-27T13:05:14Z")
Hi, I am matlab user. I would like to extract Sentinel 5p CO L2 product using HARP. I have been using with GEE L3 product but to make comparison with other dataset, co-location has to be performed. Can anyone tell me how… --- ## [Keeping S5P SO2 L2 measurement time for bin\_spatial](https://forum.atmospherictoolbox.org/t/keeping-s5p-so2-l2-measurement-time-for-bin-spatial/563)
**Author:** [@benjaminesse](https://forum.atmospherictoolbox.org/u/benjaminesse)\ **Replies:** 6\ **Last updated:** [April 16, 2025, 8:21am UTC](https://forum.atmospherictoolbox.org/t/keeping-s5p-so2-l2-measurement-time-for-bin-spatial/563 "2025-04-16T08:21:27Z")
I am trying to ingest and regrid S5P SO2 products using bin\_spatial. This works great, but I also need the measurement time for each grid point. I can’t figure out how to propagate this through to the final HARP product,… --- ## [Extracting surface level data from TROPOMI Tropospheric column using HARP](https://forum.atmospherictoolbox.org/t/extracting-surface-level-data-from-tropomi-tropospheric-column-using-harp/900)
**Author:** [@Nad24](https://forum.atmospherictoolbox.org/u/Nad24)\ **Replies:** 4\ **Last updated:** [March 29, 2025, 6:00am UTC](https://forum.atmospherictoolbox.org/t/extracting-surface-level-data-from-tropomi-tropospheric-column-using-harp/900 "2025-03-29T06:00:08Z")
Hello everyone, I’m working with TROPOMI data (CH4) and I need to extract only the surface level data from the full tropospheric column information available in the Level 2 files. Is there a HARP operation or a combinat… --- ## [Deriving area while using bin\_spatial](https://forum.atmospherictoolbox.org/t/deriving-area-while-using-bin-spatial/898)
**Author:** [@jawi289o](https://forum.atmospherictoolbox.org/u/jawi289o)\ **Replies:** 7\ **Last updated:** [March 25, 2025, 10:52am UTC](https://forum.atmospherictoolbox.org/t/deriving-area-while-using-bin-spatial/898 "2025-03-25T10:52:43Z")
@sander.niemeijer I am using bin\_spatial to regrid the data to approximately 1 km by 1 km. However, the issue I am facing is that I am unable to derive the area. I want to obtain the final result as a GeoDataFrame with … --- ## [Extract and save a subset region from TROPOMI L1B data into a smaller NetCDF file](https://forum.atmospherictoolbox.org/t/extract-and-save-a-subset-region-from-tropomi-l1b-data-into-a-smaller-netcdf-file/897)
**Author:** [@angel](https://forum.atmospherictoolbox.org/u/angel)\ **Replies:** 1\ **Last updated:** [March 19, 2025, 1:19pm UTC](https://forum.atmospherictoolbox.org/t/extract-and-save-a-subset-region-from-tropomi-l1b-data-into-a-smaller-netcdf-file/897 "2025-03-19T13:19:15Z")
Hello, I am currently working with large TROPOMI Level-1B radiance files (.nc format), each around 3.5 GB. These files contain global data covering an entire orbit, but I only need data within a specific geographic regi… --- ## [Export data after pre-processing](https://forum.atmospherictoolbox.org/t/export-data-after-pre-processing/893)
**Author:** [@jawi289o](https://forum.atmospherictoolbox.org/u/jawi289o)\ **Replies:** 4\ **Last updated:** [March 19, 2025, 9:07am UTC](https://forum.atmospherictoolbox.org/t/export-data-after-pre-processing/893 "2025-03-19T09:07:28Z")
I have downloaded bulk data of Sentinel-5P pollutants and now I am performing the pre-processing operations using HARP. My requirement is to save each files in tiff format for my area of interest (already have shp file).… --- ## [TROPOMI CHOCHO PAL data | ingest 3D variable with coda](https://forum.atmospherictoolbox.org/t/tropomi-chocho-pal-data-ingest-3d-variable-with-coda/864)
**Author:** [@mariliza](https://forum.atmospherictoolbox.org/u/mariliza)\ **Replies:** 7\ **Last updated:** [January 20, 2025, 6:43am UTC](https://forum.atmospherictoolbox.org/t/tropomi-chocho-pal-data-ingest-3d-variable-with-coda/864 "2025-01-20T06:43:48Z")
Good morning Sander, In the ingestion file for the S5P PAL product of CHOCHO, the fitted slant columns are not included. While it is not an official recommendation for the product, some the SCDs should be used to filter… --- ## [Exporting averaging kernel layers](https://forum.atmospherictoolbox.org/t/exporting-averaging-kernel-layers/867)
**Author:** [@dammoc](https://forum.atmospherictoolbox.org/u/dammoc)\ **Replies:** 2\ **Last updated:** [December 4, 2024, 4:50pm UTC](https://forum.atmospherictoolbox.org/t/exporting-averaging-kernel-layers/867 "2024-12-04T16:50:37Z")
Hi! :slight\_smile: I want to export each of the layers from averaging kernel variable (TROPOMI NO2), but when I use harp.export\_product function, the “tropospheric\_NO2\_column\_number\_density\_avk” is suddenly missing in t… --- ## [Uncertainty in Sentinel-5p CO column volume mixing ratio](https://forum.atmospherictoolbox.org/t/uncertainty-in-sentinel-5p-co-column-volume-mixing-ratio/848)
**Author:** [@silent\_ste](https://forum.atmospherictoolbox.org/u/silent_ste)\ **Replies:** 2\ **Last updated:** [December 2, 2024, 2:44pm UTC](https://forum.atmospherictoolbox.org/t/uncertainty-in-sentinel-5p-co-column-volume-mixing-ratio/848 "2024-12-02T14:44:22Z")
Hi, I have a question about deriving the column volume mixing ratio uncertainty. I have derived the column volume mixing ratio using “derive(CO\_column\_volume\_mixing\_ratio {time} \[ppbv\])” and tried “derive(CO\_column\_volu… --- ## [Stripes corrections in Sentinel-5p CH4](https://forum.atmospherictoolbox.org/t/stripes-corrections-in-sentinel-5p-ch4/630)
**Author:** [@dbp](https://forum.atmospherictoolbox.org/u/dbp)\ **Replies:** 8\ **Last updated:** [November 18, 2024, 8:52pm UTC](https://forum.atmospherictoolbox.org/t/stripes-corrections-in-sentinel-5p-ch4/630 "2024-11-18T20:52:33Z")
Hi, I wonder if HARP has implemented a de-stripe correction for CH4 as it has for CO (Usecase\_6\_CO\_European\_wildfires\_2022). I have read some recent papers where they apply a de-stripe correction based on the Borsdorff… --- ## [NO2 inversion configuration using TROPOMI](https://forum.atmospherictoolbox.org/t/no2-inversion-configuration-using-tropomi/824)
**Author:** [@lijie](https://forum.atmospherictoolbox.org/u/lijie)\ **Replies:** 2\ **Last updated:** [September 26, 2024, 11:57am UTC](https://forum.atmospherictoolbox.org/t/no2-inversion-configuration-using-tropomi/824 "2024-09-26T11:57:09Z")
The article “Global Nigeria acid emissions and levels of regional oxidants enhanced by wildfires” published by Theys et al. in Nature Geoscience greatly inspired me. I am currently trying to replicate the inversion metho… --- ## [Map Sentinel 5p CH4, SO2 and CO Data (Visan)](https://forum.atmospherictoolbox.org/t/map-sentinel-5p-ch4-so2-and-co-data-visan/45)
**Author:** [@jpoetzscher](https://forum.atmospherictoolbox.org/u/jpoetzscher)\ **Replies:** 34\ **Last updated:** [August 31, 2024, 6:12am UTC](https://forum.atmospherictoolbox.org/t/map-sentinel-5p-ch4-so2-and-co-data-visan/45 "2024-08-31T06:12:17Z")
Hi, with Sander’s help I was able to map the global average concentration of NO2 for the month of october. I downloaded 15 files from the Sentinel 5p, for each day, and then I processed them into a daily average file usi… --- ## [Working on daily grid files of NO2 on City scale](https://forum.atmospherictoolbox.org/t/working-on-daily-grid-files-of-no2-on-city-scale/820)
**Author:** [@Felicidad](https://forum.atmospherictoolbox.org/u/Felicidad)\ **Replies:** 0\ **Last updated:** [August 24, 2024, 7:46am UTC](https://forum.atmospherictoolbox.org/t/working-on-daily-grid-files-of-no2-on-city-scale/820 "2024-08-24T07:46:58Z")
Hello I am working on S5-P NO2 datasets for 4 years. I want to process data in its default resolution. operations= “latitude \>= 4.9\[degree\_north\] ; latitude \<= 38\[degree\_north\] ; longitude\>= 60 \[degree\_east\]; longitu… --- ## [\[Use Case #3\] Merging NO2 data creates visual overlap when plotted](https://forum.atmospherictoolbox.org/t/use-case-3-merging-no2-data-creates-visual-overlap-when-plotted/537)
**Author:** [@TinyTektite](https://forum.atmospherictoolbox.org/u/TinyTektite)\ **Replies:** 13\ **Last updated:** [August 23, 2024, 12:50pm UTC](https://forum.atmospherictoolbox.org/t/use-case-3-merging-no2-data-creates-visual-overlap-when-plotted/537 "2024-08-23T12:50:16Z")
Hello, I’m trying to plot the time-averaged total column amounts of NO2 over the Eastern Seaboard and I keep encountering the following issue when I plot the data: It may be difficult to see, but it appears as though… --- ## [Exporting a variable from a S5P dataset as georeferenced tif (or netcdf) file](https://forum.atmospherictoolbox.org/t/exporting-a-variable-from-a-s5p-dataset-as-georeferenced-tif-or-netcdf-file/813)
**Author:** [@ilungagustave](https://forum.atmospherictoolbox.org/u/ilungagustave)\ **Replies:** 5\ **Last updated:** [August 5, 2024, 7:54am UTC](https://forum.atmospherictoolbox.org/t/exporting-a-variable-from-a-s5p-dataset-as-georeferenced-tif-or-netcdf-file/813 "2024-08-05T07:54:04Z")
Hi. I am discovering the harp library for python. I have the following questions. I have a sentinel 5P O3 dataset. I managed to import it using the harp.import\_product(file\_in) function. What I am seeking to achieve is… --- ## [L2\_\_CO\_\_\_\_ 3-days average](https://forum.atmospherictoolbox.org/t/l2-co-3-days-average/703)
**Author:** [@serenadip](https://forum.atmospherictoolbox.org/u/serenadip)\ **Replies:** 13\ **Last updated:** [July 29, 2024, 7:49am UTC](https://forum.atmospherictoolbox.org/t/l2-co-3-days-average/703 "2024-07-29T07:49:49Z")
Hello, I was trying to reproduce a L2\_\_CO map like the one at the website (https://maps.s5p-pal.com/co/). I first tried averaging data that I downloaded by applying: basic\_operations = ";".join(\[ "CO\_column\_number… --- ## [Eofetch to download files from CDSE](https://forum.atmospherictoolbox.org/t/eofetch-to-download-files-from-cdse/800)
**Author:** [@Haleema](https://forum.atmospherictoolbox.org/u/Haleema)\ **Replies:** 3\ **Last updated:** [July 8, 2024, 11:52am UTC](https://forum.atmospherictoolbox.org/t/eofetch-to-download-files-from-cdse/800 "2024-07-08T11:52:15Z")
Hi I am facing an issue with eofetch to download TROPOMI files from directly from CDSE. I have the CDSE S3 credential (access and secret codes), yet it is not working, it require the file to be in the local directory! s… --- ## [Tropomi SO2 weight variable](https://forum.atmospherictoolbox.org/t/tropomi-so2-weight-variable/796)
**Author:** [@Nicm](https://forum.atmospherictoolbox.org/u/Nicm)\ **Replies:** 4\ **Last updated:** [June 19, 2024, 11:42am UTC](https://forum.atmospherictoolbox.org/t/tropomi-so2-weight-variable/796 "2024-06-19T11:42:41Z")
Hello everyone, I am working with TROPOMI SO2 COBRA data and I am doing monthly averages over a defined region using bin\_spatial() with harp in python. I want to find out how “good” the coverage in this region is after … --- ## [Scanline from scan\_subindex of S5P products](https://forum.atmospherictoolbox.org/t/scanline-from-scan-subindex-of-s5p-products/635)
**Author:** [@mariliza](https://forum.atmospherictoolbox.org/u/mariliza)\ **Replies:** 9\ **Last updated:** [April 19, 2024, 1:19pm UTC](https://forum.atmospherictoolbox.org/t/scanline-from-scan-subindex-of-s5p-products/635 "2024-04-19T13:19:28Z")
Dear Sander, I am sure that the reply to my question will be something very obvious, which right now eludes me. For reasons I do not wish to bother you with, I would like to output the scanline from the operational S5P… --- ## [Find maximum NO2 consentration in monthly analysis](https://forum.atmospherictoolbox.org/t/find-maximum-no2-consentration-in-monthly-analysis/769)
**Author:** [@IreB](https://forum.atmospherictoolbox.org/u/IreB)\ **Replies:** 3\ **Last updated:** [March 14, 2024, 12:11pm UTC](https://forum.atmospherictoolbox.org/t/find-maximum-no2-consentration-in-monthly-analysis/769 "2024-03-14T12:11:17Z")
Hello! I’m doing a monthly mean analysis about NO2 with python and HARP. I’m wondering how i can compute, e.g for 31 products for January 2024, the product that has the maximum average consentration and plot it. Any idea… --- ## [Importing TM5-MP-DOMINO NO2 product: CLibraryError: record does not contain a field named 'satellite\_altitude'](https://forum.atmospherictoolbox.org/t/importing-tm5-mp-domino-no2-product-clibraryerror-record-does-not-contain-a-field-named-satellite-altitude/657)
**Author:** [@anhp95](https://forum.atmospherictoolbox.org/u/anhp95)\ **Replies:** 6\ **Last updated:** [March 1, 2024, 2:53pm UTC](https://forum.atmospherictoolbox.org/t/importing-tm5-mp-domino-no2-product-clibraryerror-record-does-not-contain-a-field-named-satellite-altitude/657 "2024-03-01T14:53:45Z")
Hi, I am trying to convert TEMIS TM5-MP-DOMINO NO2 product (from https://www.temis.nl/) from L2 to L3 using harp. I had this error when trying to import TM5-MP-DOMINO NO2 by harp.import\_product() CLibraryError: recor… --- ## [Regrid without specifying lat and long](https://forum.atmospherictoolbox.org/t/regrid-without-specifying-lat-and-long/761)
**Author:** [@priyapatel1](https://forum.atmospherictoolbox.org/u/priyapatel1)\ **Replies:** 1\ **Last updated:** [March 1, 2024, 8:51am UTC](https://forum.atmospherictoolbox.org/t/regrid-without-specifying-lat-and-long/761 "2024-03-01T08:51:24Z")
I’m using harp to regrid a series of netcdf files. In the past I have used bin\_spatial with lat and long dimensions to regrid. Is there a way to regrid to a 0.01 resolution WITHOUT specifying lat and long? I want to have… --- ## [Problems with doas\_cl running tropomi inversion](https://forum.atmospherictoolbox.org/t/problems-with-doas-cl-running-tropomi-inversion/752)
**Author:** [@lijie](https://forum.atmospherictoolbox.org/u/lijie)\ **Replies:** 16\ **Last updated:** [February 26, 2024, 3:18pm UTC](https://forum.atmospherictoolbox.org/t/problems-with-doas-cl-running-tropomi-inversion/752 "2024-02-26T15:18:12Z")
When using the doas\_cl command to invert one of tropomi’s radiation files, my results never come out, is this because the number of inversions is too high (3246\*450)? I have 500G of Linux memory, what should I do to get … --- ## [Use qdoas2harp for format conversion](https://forum.atmospherictoolbox.org/t/use-qdoas2harp-for-format-conversion/755)
**Author:** [@lijie](https://forum.atmospherictoolbox.org/u/lijie)\ **Replies:** 5\ **Last updated:** [February 26, 2024, 2:35pm UTC](https://forum.atmospherictoolbox.org/t/use-qdoas2harp-for-format-conversion/755 "2024-02-26T14:35:52Z")
When I successfully used qdoas software to invert and output the inversion file, I used qdoas2harp for format conversion, but used this command (qd2hp -outdir ./harp\_out/2020/08/10 -fitwin w320\_h2co\_radasref -slcol "ch2o… --- ## [Input data format for tropomi inversion using qdoas](https://forum.atmospherictoolbox.org/t/input-data-format-for-tropomi-inversion-using-qdoas/744)
**Author:** [@lijie](https://forum.atmospherictoolbox.org/u/lijie)\ **Replies:** 6\ **Last updated:** [January 27, 2024, 9:52am UTC](https://forum.atmospherictoolbox.org/t/input-data-format-for-tropomi-inversion-using-qdoas/744 "2024-01-27T09:52:08Z")
I have a problem with using qdoas for tropomi inversion, I don’t know the format of the slit function file required by qdoas because the tropomi satellite has 450 pixels and the sample provided in the guidance does not m… --- ## [Clibrary Error in HARP during merge of S5P files](https://forum.atmospherictoolbox.org/t/clibrary-error-in-harp-during-merge-of-s5p-files/719)
**Author:** [@pm21ms212](https://forum.atmospherictoolbox.org/u/pm21ms212)\ **Replies:** 0\ **Last updated:** [December 7, 2023, 7:23am UTC](https://forum.atmospherictoolbox.org/t/clibrary-error-in-harp-during-merge-of-s5p-files/719 "2023-12-07T07:23:00Z")
import harp import numpy as np import matplotlib.pyplot as plt import cartopy.crs as ccrs from cmcrameri import cm import eofetch import os import matplotlib.ticker as mticker from cartopy.mpl.gridliner import LO… --- ## [Filtering and exporting CHOCHO](https://forum.atmospherictoolbox.org/t/filtering-and-exporting-chocho/718)
**Author:** [@kolanov](https://forum.atmospherictoolbox.org/u/kolanov)\ **Replies:** 1\ **Last updated:** [December 5, 2023, 10:53pm UTC](https://forum.atmospherictoolbox.org/t/filtering-and-exporting-chocho/718 "2023-12-05T22:53:08Z")
Hello, I’m trying to filter a glyoxal observation with qa\_value \> 0.5, but I’m getting “harp.\_harppy.CLibraryError: could not derive variable ‘longitude {longitude}’” operations = ';'.join(\[ 'C2H2O2\_column\_numb… --- ## [Truncated file error with HARP for 2022 RPRO L2\_\_NO2 Files for 2018-2019](https://forum.atmospherictoolbox.org/t/truncated-file-error-with-harp-for-2022-rpro-l2-no2-files-for-2018-2019/704)
**Author:** [@Amanda.murray19](https://forum.atmospherictoolbox.org/u/Amanda.murray19)\ **Replies:** 3\ **Last updated:** [October 30, 2023, 3:02pm UTC](https://forum.atmospherictoolbox.org/t/truncated-file-error-with-harp-for-2022-rpro-l2-no2-files-for-2018-2019/704 "2023-10-30T15:02:46Z")
I keep getting a truncated file error when trying to process certain files from 2018 to 2019 using this code. The “week relative paths” is the paths to the s3 bucket for all the files in a given week. The code works if I… --- ## [S5P PAL AOT 2D validity flag](https://forum.atmospherictoolbox.org/t/s5p-pal-aot-2d-validity-flag/701)
**Author:** [@mariliza](https://forum.atmospherictoolbox.org/u/mariliza)\ **Replies:** 2\ **Last updated:** [October 13, 2023, 1:56pm UTC](https://forum.atmospherictoolbox.org/t/s5p-pal-aot-2d-validity-flag/701 "2023-10-13T13:56:12Z")
Dear Sander, As you know we are working with the S5P\_PAL\_\_L2\_\_AER\_OT data files. As the AOT is reported on five wavelengths, the validity parameter also has a second dimension, spectral, of 5. Are you planning to intro… [Next page](https://forum.atmospherictoolbox.org/tag/sentinel-5p/1.md?match_all_tags=true&page=1&tags%5B%5D=sentinel-5p)