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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
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
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
SAFARI 2000 C-130 Aerosol and Meteorological Data, Dry Season 2000 1 C-130 GC-MS, MR, AERI, MMR, PMS 2D-P PROBE, PMS 2D-C PROBE, DEWPOINT HYDROMETERS, HYGROMETERS, CLOUD LIQUID WATER PROBE, CNC, FLUOROMETERS, INFRARED RADIOMETERS, FSSP, CVI, PHOTOMETERS, SPECTROMETERS, MASS SPECTROMETERS 2000-09-05 to 2000-09-16

N: 5 S: -35 E: 60 W: 5

Shapefile
SAFARI 2000 CV-580 Aerosol and Cloud Data, Dry Season 2000 (CARG) 1 CONVAIR CV-580 UV OZONE DETECTORS, FLUORESCENCE SPECTROSCOPY, CHEMILUMINESCENCE, IR CO2 ANALYZER, PYRANOMETERS, CNC, AEROSOL/CLOUD PARTICLE SIZER, THERMOMETERS 2000-08-10 to 2000-09-18

N: -14 S: -26 E: 36 W: 11

Shapefile
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 (HDF5) V053 53 ISS SAGE III 2017-05-31 to 2024-11-24

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
SASS (Subsonics Assessment) Ozone and NOx Experiment (SONEX) DC-8 In-Situ Trace Gas Data 1 NASA DC-8 WAS, ATHOS, FASTOZ, URI Instrument, CHEMILUMINESCENCE, SAGA, CIMS, DACOM, LICOR GAS EXCHANGE SYSTEM, PANAK 1997-10-07 to 1997-11-13

N: 69.127 S: 19.89 E: 148.167 W: -180

AMES
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

N: 69.13 S: 19.89 E: 148.2 W: -178.2

AMES
SASS (Subsonics Assessment) Ozone and NOx Experiment (SONEX) Model Data 1 MODELS Computer 1997-10-16 to 1997-11-10

N: 69.127 S: 19.89 E: 13.023 W: -129.402

GIF
SEAC4RS DC-8 Aircraft In-Situ Trace Gas Data 1 NASA DC-8 AVOCET, GC-MS, DACOM, LWCC, CAMS, TD-LIF, CIMS, CHEMILUMINESCENCE, CIT-ToF-CIMS, PTR-MS 2013-08-02 to 2013-09-24

N: 50.22 S: 19.37 E: -80.25 W: -125.99

ICARTT
SEAC4RS Merge Data Files 1 NASA DC-8, NASA ER-2 Computer 2013-08-06 to 2013-09-24

N: 52.11 S: 15.54 E: -80.25 W: -126

ICARTT
SOLVE I DC-8 Aircraft In-situ Photolysis Rate Data 1 MODELS, NASA DC-8 Computer, SAFS 1999-11-16 to 2000-03-15

N: 90 S: 12.19 E: 180 W: -180

AMES
SOLVE I DC-8 Aircraft In-situ Trace Gas Data 1 NASA DC-8 TOTCAP, FASTOZ, ATHOS, NO/NOy, DACOM, ClO/BrO, CIMS 1999-11-22 to 2000-03-15

N: 90 S: 12.2 E: 126.03 W: -122.4

AMES
SOLVE I ER-2 Aircraft In-situ Photolysis Rate Data 1 MODELS, NASA ER-2 Computer, CPFM 1999-09-23 to 2000-03-18

N: 90 S: 20.55 E: 74.84 W: -128.12

AMES
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

N: 90 S: 11.13 E: 74.84 W: -128.12

AMES
SOLVE I ER-2 Analysis Model Data 1 MODELS Computer 1999-12-11 to 2000-03-18

N: 90 S: 7.47 E: 180 W: -180

AMES
SOLVE I Supplementary Satellite Data Products 1 SPOT-4, ERS-2, UARS POAM III, GOME, HALOE 1999-10-24 to 2000-03-31

N: 69.1 S: -73.9 E: 180 W: -180

AMES
SOLVE II Balloonsondes and Ozonesondes Data 1 GROUND-BASED OBSERVATIONS OZONESONDES, HYGROMETERS, MARK IV INTERFEROMETER, OPC, CNC 2002-12-03 to 2004-01-11

N: 69.3 S: 41.33 E: 40.1 W: -105.7

AMES
STEP ER-2 Aircraft In-Situ Trace Gas Data 1 NASA ER-2 NOAA O3 Classic, ATLAS 1987-01-08 to 1987-02-21

N: 37.72 S: -30.11 E: 180 W: -180

STEP87
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
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 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
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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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