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Nitrogen Oxides Data Access and Tools
Access topic-specific data and resources for accessing, visualizing, preparing/manipulating (e.g. subsetting), and analyzing data. Each observation, model, and reanalysis data has unique characteristics that should be considered when evaluating its use.
An asterisk (*) next to an entry indicates that near real-time (NRT) data products are available through NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE). While not intended for scientific research, NRT data are good resources for monitoring ongoing or time-critical events. Learn more about the difference between near real-time versus standard products.
Commonly Used Nitrogen Dioxide Data at a Glance
| Spatial Resolution | Spatial Coverage | Temporal Resolution | Temporal Coverage | Spectral Resolution | Satellite/ Platform | Name (Instrument, Model, etc.) | Observation, Model, or Reanalysis | File Format |
|---|---|---|---|---|---|---|---|---|
| 0.25°, 13 km x 24 km | Global | 98 min, Daily | 2004-near present | 1.0-0.45 nm Full Width and Half Maximum (FWHM) | Aura | Ozone Monitoring Instrument (OMI) | Observation | HDF-EOS5 |
| 5.5 km x 3.5 km | Global | 101.5 minutes | 2021-present | 270 nm-2.3 µm, 0.55 nm | ESA Sentinel-5P | TROPOspheric Monitoring Instrument (TROPOMI) | Observation | netCDF |
| 2.0 km x 4.75 km | North America | Hourly | 08/2023 - present | 0.6 nm | Intelsat 40e | Tropospheric Emissions: Monitoring Pollution (TEMPO) | Observation | netCDF |
| 0.25º x 0.25° | Global | 15 min, Hourly | Daily 5-day forecast | N/A | N/A | GEOS-CF | Model | netCDF |
| 0.0083° x 0.0083° | Near-global | Yearly | 1990-2020 | N/A | N/A | LUR | Model | netCDF |
| Point measurements | Global | Periodic flights occurred during each deployment | 2016-2018 | Varies | Airborne Field Campaign | Atmospheric Tomography Mission (ATom) campaign with varying instruments | Observation | netCDF |
Nitrogen Oxides Datasets
| Dataset | Platforms | Instruments | Temporal Extent | Location Keywords | Spatial Extent | Data Format |
|---|---|---|---|---|---|---|
| TRACE-P Ground Data | GROUND-BASED OBSERVATIONS | 2001-01-10 to 2001-05-01 | WESTERN HEMISPHERE, NORTHERN HEMISPHERE, TROPOSPHERE, HONG KONG, JAPAN | N: 45.7 S: 20 E: 143.77 W: 87.6 | GTE | |
| TRACE-P Merge Data | NASA DC-8, P-3B | 2001-02-24 to 2002-04-11 | WESTERN HEMISPHERE, NORTHERN HEMISPHERE, TROPOSPHERE, HONG KONG, JAPAN | N: 45.6 S: 6.8 E: 180 W: -180 | GTE, ICARTT | |
| TRACE-P Model Data | Data Analysis | 2001-02-28 to 2002-03-01 | WESTERN PACIFIC OCEAN, PACIFIC OCEAN, WESTERN HEMISPHERE, NORTHERN HEMISPHERE, HONG KONG | N: 45.54 S: 6.9 E: 180 W: -180 | GTE | |
| TRACE-P P-3B In-Situ Trace Gas Data | P-3B | DACOM, CIMS | 1999-01-07 to 2002-03-01 | WESTERN HEMISPHERE, NORTHERN HEMISPHERE, TROPOSPHERE, PACIFIC OCEAN, WESTERN PACIFIC OCEAN | N: 45.7 S: 6.89 E: 180 W: -180 | GTE |
| TROPESS Chemical Reanalysis Lightning NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXLM2D) at GES DISC | REANALYSIS MODELS | NOT APPLICABLE | 2005-01-01 to 2021-12-31 | GLOBAL, TROPOSPHERE | N: 90 S: -90 E: 180 W: -180 | |
| TROPESS Chemical Reanalysis Surface Anthropogenic NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXAM2D) at GES DISC | REANALYSIS MODELS | NOT APPLICABLE | 2005-01-01 to 2021-12-31 | GLOBAL, TROPOSPHERE | N: 90 S: -90 E: 180 W: -180 | |
| TROPESS Chemical Reanalysis Surface Biomass Burning NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXBM2D) at GES DISC | REANALYSIS MODELS | NOT APPLICABLE | 2005-01-01 to 2021-12-31 | GLOBAL, TROPOSPHERE | N: 90 S: -90 E: 180 W: -180 | |
| TROPESS Chemical Reanalysis Surface Soil NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXSM2D) at GES DISC | REANALYSIS MODELS | NOT APPLICABLE | 2005-01-01 to 2021-12-31 | GLOBAL, TROPOSPHERE | N: 90 S: -90 E: 180 W: -180 | |
| TROPESS Chemical Reanalysis Surface Total NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXTM2D) at GES DISC | REANALYSIS MODELS | NOT APPLICABLE | 2005-01-01 to 2021-12-31 | GLOBAL, TROPOSPHERE | N: 90 S: -90 E: 180 W: -180 | |
| Tropical Ozone Transport Experiment – Vortex Ozone Transport Experiment (TOTE-VOTE) DC-8 In Situ Trace Gas Data | NASA DC-8 | DACOM, LICOR GAS EXCHANGE SYSTEM, NO/NOy, NOxyO3 | 1995-12-03 to 1996-02-20 | PACIFIC OCEAN, HAWAII, TROPOSPHERE, TROPICS, ARCTIC | AMES |
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Featured Nitrogen Oxides Observation Method: TROPOMI
The Tropospheric Monitoring Instrument (TROPOMI) is the single payload aboard ESA's Sentinel-5P spacecraft, providing daily measurements of cloud height and cover, aerosols, and trace gases such as nitrogen oxides.
Data from the next-generation Instruments will help atmospheric scientists advance air quality measurements and standards.
20 MIN READ
Access NASA Earth observation data within three hours of a satellite observation through the Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
NASA offers an array of carbon monoxide data to aid in determining its role in atmospheric processes, pollution, and climate.
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