# OMPS-NPP L3 Nadir Mapper Ozone Total Column Daily Grid
*data products*

## Specifications
- **level**: L3
- **distributor**: nasa
- **access endpoint**: https://www.earthdata.nasa.gov/data/catalog/ges-disc-omps-npp-nmto3-l3-daily-2
- **access model**: open
- **licence**: NASA Earthdata open access
- **cost model summary**: Open NASA Earthdata product distributed by GES DISC.
- **primary data portal url**: https://www.earthdata.nasa.gov/data/catalog/ges-disc-omps-npp-nmto3-l3-daily-2
- **use cases**: ["total ozone column","daily global ozone mapping","ozone-layer monitoring"]
- **deployment context**: orbital
- **entity type**: data_product
- **last verified date**: 2026-06-13
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: nasa
- **attributes**: {"level":"L3","distributor":"nasa","access_endpoint":"https://www.earthdata.nasa.gov/data/catalog/ges-disc-omps-npp-nmto3-l3-daily-2","access_model":"open","licence":"NASA Earthdata open access","cost_model_summary":"Open NASA Earthdata product distributed by GES DISC.","primary_data_portal_url":"https://www.earthdata.nasa.gov/data/catalog/ges-disc-omps-npp-nmto3-l3-daily-2","use_cases":"[\"total ozone column\",\"daily global ozone mapping\",\"ozone-layer monitoring\"]","deployment_context":"orbital"}
- **relevance**: in-scope

## Editorial
OMPS-NPP L3 Nadir Mapper Ozone Total Column Daily Grid is an open NASA Earthdata product for daily global total ozone mapping from OMPS cross-track measurements on Suomi-NPP [^nasa-omps-l3-nmto3]. The product combines orbital OMPS observations into a fixed Level-3 grid, giving users a map-ready dataset for ozone-layer monitoring and daily spatial analysis [^nasa-omps-l3-nmto3]. Its total ozone fields are provided on a 1 degree by 1 degree grid, which fits workflows that need consistent global coverage rather than individual orbital swaths [^nasa-omps-l3-nmto3]. NASA distributes the product through GES DISC under open Earthdata access, supporting repeat processing and integration into atmospheric-composition monitoring pipelines [^nasa-omps-l3-nmto3].

## Compositional position
- ozone-stratosphere (topics) --[topic_capabilities]--> OMPS-NPP L3 Nadir Mapper Ozone Total Column Daily Grid

## Sources
- [nasa-omps-l3-nmto3] | OMPS-NPP L3 NM Ozone Total Column Daily Grid, NASA Earthdata | https://www.earthdata.nasa.gov/data/catalog/ges-disc-omps-npp-nmto3-l3-daily-2 | tier=agency-doc | accessed=2026-06-13

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Source: https://eo-atlas.org/data_products/omps-npp-l3-nm-o3-total-column
Maintainer: SpectraWorks B.V. (CC-BY 4.0)