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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
TEMPO gridded NO2 tropospheric and stratospheric columns V04 (PROVISIONAL) V04 IS-40e TEMPO 2023-08-02 to Present 0.02 Decimal Degrees x 0.02 Decimal Degrees netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V04 (PROVISIONAL) V04 IS-40e TEMPO 2023-08-02 to Present 4.75 Kilometers x 2 Kilometers netCDF-4
TEMPO gridded NO2 tropospheric and stratospheric columns V03 (PROVISIONAL) V03 IS-40e TEMPO 2023-08-02 to 2025-09-16 0.02 Decimal Degrees x 0.02 Decimal Degrees netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V03 (PROVISIONAL) V03 IS-40e TEMPO 2023-08-02 to 2025-09-16 4.75 Kilometers x 2 Kilometers 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 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 V02 (NRT) (PROVISIONAL) V02 IS-40e TEMPO 2025-09-17 to Present 0.02 Decimal Degrees x 0.02 Decimal Degrees netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V02 (NRT) PROVISIONAL V02 IS-40e TEMPO 2025-09-17 to Present 4.75 Kilometers x 2 Kilometers netCDF-4
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
SAGE III/ISS L2 Lunar Event Species Profiles (HDF5) V006 6 ISS SAGE III 2017-05-31 to Present

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

HDF5
SAGE III/ISS L2 Lunar Event Species Profiles (Native) V006 6 ISS SAGE III 2017-05-31 to Present

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

Binary
SAGE III/ISS L2 Lunar Event Species Profiles (Native) V053 53 ISS SAGE III 2017-05-31 to 2024-11-24 Binary
SAGE III/ISS L2 Lunar Event Species Profiles (HDF5) V053 53 ISS SAGE III 2017-05-31 to 2024-11-24

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

HDF5
Global Fire Emissions Database, Version 4.1 (GFEDv4) 4.1 MODELS, TRMM, Terra, ERS-1 Computer, VIIRS, MODIS, ATSR 1995-06-01 to 2016-12-31

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

multiple
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
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
FIREX-AQ Merge Data Files 2 NASA DC-8 GPS, MMS, DLH, LGR, CDP, CAPS, AMS, ION CHROMATOGRAPHS, PTR-MS, GC-MS, ACES 2019-07-22 to 2019-09-06

N: 60 S: 15 E: -75 W: -135

ICARTT
Global Fire Emissions Database, Version 2.1 2 TRMM, Terra, ERS-2 VIRS, MODIS, ATSR 1997-01-01 to 2005-12-31

N: 89.5 S: -89.5 E: 179.5 W: -179.5

multiple
GOME/ERS-2 NO2 Tropospheric, Stratospheric and Total Columns MINDS 1-Orbit L2 Swath 40 km x 320 km V1.1 (GOME_MINDS_NO2) 1.1 ERS-2 GOME 1995-06-30 to 2003-06-22

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

40 Kilometers x 320 Kilometers
TROPOMI/S5P NO2 Tropospheric, Stratospheric and Total Columns MINDS 1-Orbit L2 Swath 5.5 km x 3.5 km V1.1 (TROPOMI_MINDS_NO2) 1.1 Sentinel-5P TROPOMI 2018-05-01 to Present

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

3.5 Kilometers x 5.5 Kilometers
OMI/Aura NO2 Tropospheric, Stratospheric & Total Columns MINDS Daily L2 Global Gridded 0.25 degree x 0.25 degree V1.1 (OMI_MINDS_NO2G) 1.1 Aura OMI 2004-10-01 to Present

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

24 Kilometers x 13 Kilometers
OMI/Aura NO2 Tropospheric, Stratospheric & Total Columns MINDS Daily L3 Global Gridded 0.25 degree x 0.25 degree V1.1 (OMI_MINDS_NO2d) 1.1 Aura OMI 2004-10-01 to Present

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

0.25 Decimal Degrees x 0.25 Decimal Degrees
Country Trends in Major Air Pollutants 1.00 MODELS Computer 2003-01-01 to 2018-12-31

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

Excel, PDF, PNG
SAFARI 2000 Biomass Burning Emissions, Selected Sites, Dry Season 2000 1 LABORATORY CHEMILUMINESCENCE, ION CHROMATOGRAPHS, GAS CHROMATOGRAPHS, IR CO2 ANALYZER 2000-11-24 to 2001-01-16

N: 0 S: -35 E: 50 W: 10

Shapefile
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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).
Black Marble Nighttime Blue/Yellow Composite (Day/Night Band) false-color image shows Typhoon Khanun nearing Taiwan on August 2, 2023.

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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