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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

Dataset Sort descending Version Platforms Instruments Temporal Extent Spatial Extent Spatial Resolution Data Format
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
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Nitrogen Oxides Data Tools

Tool Sort descending Description Services
Earthdata Search Earthdata Search enables data discovery, search, comparison, visualization, and access across NASA’s Earth science data holdings. Search and Discovery, Access, Cataloging, Cloud Computing, Downloading
Worldview Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data. Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events
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