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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 | Version Sort ascending | Platforms | Instruments | Temporal Extent | Spatial Extent | Spatial Resolution | Data Format |
|---|---|---|---|---|---|---|---|
| DISCOVER-AQ Maryland Deployment NOAA Delaware II Ship Data | 1 | NOAA Delaware II | TECO 49, GAS SENSORS, MPL | 2011-06-30 to 2011-07-22 | HDF5, ICARTT | ||
| CAMP2Ex P-3 In-Situ Trace Gas Data | 1 | NASA P-3 | GAS SENSORS, CRDS | 2019-08-03 to 2019-10-06 | ICARTT | ||
| SOLVE I ER-2 Aircraft In-situ Trace Gas Data | 1 | NASA ER-2 | HOx, CLONO2, AWAS, ACATS, ARGUS, ALIAS, CIMS, Harvard CO2 | 1998-11-10 to 2000-03-18 | AMES | ||
| PEM West B Ground Data | 1 | GROUND STATIONS | NDIR GAS ANALYZER, GAS CHROMATOGRAPHS, CHEMILUMINESCENCE, RAWINSONDES, OZONESONDES, GC-ECD, ION CHROMATOGRAPHS | 1991-02-22 to 1995-01-01 |
N: 52.92 S: 21.33 E: 180 W: -180 |
GTE | |
| KORUS-AQ Miscellaneous Data | 1 | UMD Cessna | GPS, LGR CRDS, TECO 43C, Picarro G2401, AETHALOMETER, PSAP | 2016-04-30 to 2016-06-13 | ICARTT | ||
| KORUS-AQ Aircraft Merge Data Files | 1 | NASA DC-8 | Computer | 2016-04-24 to 2016-06-21 | ICARTT | ||
| LBA-ECO ND-07 Nitric Oxide Flux from Cerrado Soils, Brasilia, Brazil: 2004 | 1 | NOT APPLICABLE | NOT APPLICABLE | 2004-03-22 to 2004-11-25 |
N: -15.9328 S: -15.9328 E: -47.8506 W: -47.8506 |
CSV | |
| STAQS Ground Data | 1 | GROUND STATIONS | DOAS | 2023-07-01 to 2023-08-31 |
N: 42.59 S: 42.58 E: -87.808 W: -87.83 |
ICARTT | |
| NARSTO EPA Supersite (SS) Atlanta 1999 Air Chemistry, Particulate Matter (PM), and Meteorological Data | 1 | LABORATORY, GROUND STATIONS, METEOROLOGICAL STATIONS | BAROMETERS, NDIR GAS ANALYZER, UV OZONE DETECTORS, TEOM, PYRANOMETERS, HYGROMETERS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, ANEMOMETERS | 1999-07-30 to 1999-09-03 | ASCII | ||
| SASS (Subsonics Assessment) Ozone and NOx Experiment (SONEX) Merge Data Files | 1 | NASA DC-8 | DADS, MMS, MTP, CNC, TSI CNC-3760, WAS, ATHOS, CHEMILUMINESCENCE, FSSP, PCASP, DACOM, LICOR GAS EXCHANGE SYSTEM, DLH, SAFS, CIMS | 1997-10-07 to 1997-11-12 | 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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