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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 ResolutionSpatial CoverageTemporal ResolutionTemporal CoverageSpectral ResolutionSatellite/ PlatformName (Instrument, Model, etc.)Observation, Model, or ReanalysisFile Format
0.25°, 13 km x 24 kmGlobal98 min, Daily2004-near present1.0-0.45 nm Full Width and Half Maximum (FWHM)Aura Ozone Monitoring Instrument (OMI)ObservationHDF-EOS5
5.5 km x 3.5 kmGlobal101.5 minutes2021-present270 nm-2.3 µm, 0.55 nmESA Sentinel-5PTROPOspheric Monitoring Instrument (TROPOMI)ObservationnetCDF
2.0 km x 4.75 kmNorth AmericaHourly08/2023 - present0.6 nmIntelsat 40eTropospheric Emissions: Monitoring Pollution (TEMPO)ObservationnetCDF
0.25º x 0.25°Global15 min, HourlyDaily 5-day forecastN/AN/AGEOS-CFModelnetCDF
0.0083° x 0.0083°Near-globalYearly1990-2020N/AN/ALUR ModelnetCDF
Point measurementsGlobalPeriodic flights occurred during each deployment2016-2018VariesAirborne Field CampaignAtmospheric Tomography Mission (ATom) campaign with varying instrumentsObservationnetCDF

Nitrogen Oxides Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
STRAT ER-2 Aircraft In-situ Trace Gas Data 1 NASA ER-2 Harvard CO2, AWAS, ACATS, HOx, ATLAS, NOAA O3 Classic, ALIAS 1995-03-24 to 1996-12-21

N: 61.9 S: -2.14 E: 162.26 W: -162.38

AMES
STRAT Photolysis Frequencies (J-Values) 1 NASA ER-2, Data Analysis CPFM 1995-10-24 to 1996-12-21

N: 60.18 S: -2.14 E: 165.24 W: -168.81

AMES
SUCCESS DC-8 Aircraft In-Situ Trace Gas Data 1 NASA DC-8 ATHOS, DACOM, NOxyO3 1996-04-10 to 1996-05-17

N: 47 S: 33.4 E: -88.25 W: -126.58

AMES
Sulfates, Clouds and Radiation Brazil (SCAR-B) University of Washington C131A Data 1 C-131A TSI-3562 Nephelometer, COSPEC, FSSP, PCASP, PMS, CHEMILUMINESCENCE 1995-08-17 to 1995-09-20

N: -2.42 S: -16.85 E: -47.5 W: -64.75

Binary
TEMPO gridded NO2 tropospheric and stratospheric columns V02 (NRT) (PROVISIONAL) V02 IS-40e TEMPO 2025-09-17 to Present 0.02 Decimal Degrees x 0.02 Decimal Degrees netCDF-4
TEMPO gridded NO2 tropospheric and stratospheric columns V03 (PROVISIONAL) V03 IS-40e TEMPO 2023-08-02 to 2025-09-16 netCDF-4
TEMPO gridded NO2 tropospheric and stratospheric columns V04 (PROVISIONAL) V04 IS-40e TEMPO 2023-08-02 to Present netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V02 (NRT) PROVISIONAL V02 IS-40e TEMPO 2025-09-17 to Present 10 Kilometers x 10 Kilometers netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V03 (PROVISIONAL) V03 IS-40e TEMPO 2023-08-02 to 2025-09-16 netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V04 (PROVISIONAL) V04 IS-40e TEMPO 2023-08-02 to Present netCDF-4
TES/Aura L2 HNO3 Limb Special Observation V006 006 Aura TES 2006-01-31 to 2006-05-20

N: 90 S: -90 E: 180 W: -180

HDF-EOS5
TES/Aura L2 HNO3 Limb V006 006 Aura TES 2004-08-22 to 2005-04-10

N: 90 S: -90 E: 180 W: -180

HDF-EOS5
TES/Aura L2 Nitrous Oxide Nadir Special Observation V008 8 Aura TES 2004-09-13 to 2018-01-22

N: 90 S: -90 E: 180 W: -180

HDF-EOS5
TES/Aura L2 Nitrous Oxide Nadir V008 8 Aura TES 2004-08-22 to 2018-01-22

N: 90 S: -90 E: 180 W: -180

HDF-EOS5
TES/Aura L3 HNO3 Daily Gridded V004 4 Aura TES 2004-08-22 to 2005-04-10

N: 90 S: -90 E: 180 W: -180

HDF-EOS5
TES/Aura L3 HNO3 Monthly Gridded V004 4 Aura TES 2004-08-22 to 2005-03-31

N: 90 S: -90 E: 180 W: -180

HDF-EOS5
TRACE-A Merge Data 1 Data Analysis 1990-03-13 to 1992-11-02

N: 43.575 S: -59.98 E: 58.68 W: -180

GTE
TRACE-P DC-8 In-Situ Trace Gas Data 1 NASA DC-8 DACOM, GAS CHROMATOGRAPHS, ION CHROMATOGRAPHS, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY 1999-01-07 to 2002-03-01

N: 45.7 S: 6.89 E: 180 W: -180

GTE
TRACE-P Ground Data 1 GROUND-BASED OBSERVATIONS 2001-01-10 to 2001-05-01

N: 45.7 S: 20 E: 143.77 W: 87.6

GTE
TRACE-P Merge Data 1 NASA DC-8, P-3B 2001-02-24 to 2002-04-11

N: 45.6 S: 6.8 E: 180 W: -180

GTE, ICARTT
TRACE-P Model Data 1 Data Analysis 2001-02-28 to 2002-03-01

N: 45.54 S: 6.9 E: 180 W: -180

GTE
TRACE-P P-3B In-Situ Trace Gas Data 1 P-3B DACOM, CIMS 1999-01-07 to 2002-03-01

N: 45.7 S: 6.89 E: 180 W: -180

GTE
TROPESS Chemical Reanalysis Lightning NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXLM2D) 1 REANALYSIS MODELS NOT APPLICABLE 2005-01-01 to 2021-12-31

N: 90 S: -90 E: 180 W: -180

1.125 Decimal Degrees x 1.125 Decimal Degrees
TROPESS Chemical Reanalysis Surface Anthropogenic NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXAM2D) 1 REANALYSIS MODELS NOT APPLICABLE 2005-01-01 to 2021-12-31

N: 90 S: -90 E: 180 W: -180

1.125 Decimal Degrees x 1.125 Decimal Degrees
TROPESS Chemical Reanalysis Surface Biomass Burning NOx emissions Monthly 2-dimensional Product V1 (TRPSCRENOXBM2D) 1 REANALYSIS MODELS NOT APPLICABLE 2005-01-01 to 2021-12-31

N: 90 S: -90 E: 180 W: -180

1.125 Decimal Degrees x 1.125 Decimal Degrees
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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.

Learn More About TROPOMI
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TROPOMI Near Real-Time Products

Near real-time atmospheric radiance and composition products from the European Space Agency TROPOspheric Monitoring Instrument (TROPOMI) are available through NASA’s Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
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LANCE

Access NASA Earth observation data within three hours of a satellite observation through the Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
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Carbon Monoxide

NASA offers an array of carbon monoxide data to aid in determining its role in atmospheric processes, pollution, and climate.

Nitrogen Oxides Data Tools

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