Imaging · collection · 2025
OMI/Aura Sulfur Dioxide (SO2) Total Column Daily L3 1 day Best Pixel in 0.25 degree x 0.25 degree V4 (OMSO2e)
Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/aura/omi/data3408
The OMI science team produces this Level-3 Aura/OMI Global OMSO2e Data Products (0.25 degree Latitude/Longitude grids).
Description
In this Level-3 daily global SO2 data product, each grid contains only one observation of Total Column Density of SO2 from the GEOS-5 profile, based on an improved Principal Component Analysis (PCA) Algorithm. This single observation is the "best pixel", selected from all "good" L2 pixels of OMSO2 that overlap this grid and have UTC time between UTC times of 00:00:00 and 23:59:59.999.
In addition to the SO2 Vertical column value some ancillary parameters, e.g., cloud fraction, terrain height, scene number, solar and satellite viewing angles, row anomaly flags, and quality flags have been also made available corresponding to the best selected SO2 data pixel in each grid. The OMSO2e files are stored in the version 5 EOS Hierarchical Data Format (HDF-EOS5) using the grid model.
Links
Get the data
- Resource disc.gsfc.nasa.gov/datacollection/OMSO2e_004.html ↗
Access the dataset landing page from the GES DISC website.
landing page · download · from NASA CMR, data nasa gov
- Access the data via the OPeNDAP protocol. cmr.earthdata.nasa.gov/virtual-directory/collections/C3756242136-GES_DISC ↗
metadata API · download · from NASA CMR
- File Specification Document docserver.gesdisc.eosdis.nasa.gov/public/project/OMI/OMSO2e_2020-11-25.fs ↗
documentation · download · from NASA CMR, data nasa gov
- List of OMI publications knmi.nl/research/publications ↗
documentation · download · from NASA CMR, data nasa gov
- OMI Data User's Guide docserver.gesdisc.eosdis.nasa.gov/repository/Mission/OMI/3.3_ScienceDataProductDocumentation/3.3… ↗
documentation · download · from NASA CMR, data nasa gov
- README Document acdisc.gesdisc.eosdis.nasa.gov/data/Aura_OMI_Level3/OMSO2e.004/doc/README.OMSO2e_2025-11-25.t… ↗
documentation · download · from NASA CMR, data nasa gov
- Original Metadata cmr.earthdata.nasa.gov/search/concepts/C3756242136-GES_DISC.iso19115 ↗
download · from data nasa gov
- Resource acdisc.gesdisc.eosdis.nasa.gov/opendap/HDF-EOS5/Aura_OMI_Level3/OMSO2e.004/contents.html ↗
download · from data nasa gov
- Resource aura.gsfc.nasa.gov ↗
download · project · from data nasa gov, NASA CMR
- Resource knmiprojects.nl/projects/ozone-monitoring-instrument ↗
download · project · from data nasa gov, NASA CMR
- Resource so2.gsfc.nasa.gov ↗
download · project · from data nasa gov, NASA CMR
- search.earthdata.nasa.gov /search/granules?p=C3756242136-GES_DISC ↗
Earthdata Search allows users to search, discover, visualize, refine, and access NASA Earth Observation data.
download · from NASA CMR
- PNG docserver.gesdisc.eosdis.nasa.gov/public/project/Images/OMSO2e_004.png ↗
download · preview image · from data nasa gov, NASA CMR
- Resource acdisc.gesdisc.eosdis.nasa.gov/data/Aura_OMI_Level3/OMSO2e.004 ↗
download · from data nasa gov
- Resource giovanni.gsfc.nasa.gov/giovanni ↗
The GES-DISC Interactive Online Visualization ANd aNalysis Interface (Giovanni) is a web-based tool that allows users to interactively visualize and analyze data.
download · preview image · from data nasa gov, NASA CMR
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/omi-aura-sulfur-dioxide-so2-total-column-daily-l3-1-da… ↗
landing page · from data nasa gov
- DOI doi.org/10.5067/aura/omi/data3408 ↗
DOI / persistent id · from NASA CMR
Catalogue records · 3
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C3756242136-GES_DISC.umm_json ↗
metadata API · from NASA CMR
- CKAN API data.nasa.gov/api/3/action/package_show?id=094298a0-91cb-4146-8496-65d000497… ↗
metadata API · from data nasa gov
- CMR record cmr.earthdata.nasa.gov/search/concepts/C3756242136-GES_DISC.html ↗
catalogue entry · from NASA CMR
Topics
- Stated by source
- Earth Observing System, Aura · Ozone Monitoring Instrument · Sulfur Dioxide
- From keywords
- Astronomy & Astrophysics · Chemistry · Earth & Environmental Science · Ocean & Atmospheric Science · Physics
Provenance · 2 source records, 18 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C3756242136-GES_DISC | 8 d ago | JSON v1 |
| NASA Data Portal | 094298a0-91cb-4146-8496-65d000497b7a | 5 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:chemistry | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:physics | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[instrument].gcmd_instrument:omi | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/atmosphere/atmospheric-chemistry/sulfur-compounds/sulfur-dioxide | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:aura | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| created_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| updated_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |