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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
A Global Database of Gas Fluxes from Soils after Rewetting or Thawing, Version 1.0 1 FIELD INVESTIGATION LICOR SOIL GAS CHAMBER 1956-01-01 to 2009-12-31

N: 74.5 S: -36.45 E: 160.525 W: -149.633

CSV
ACCLIP WB-57 Aircraft In-situ Trace Gas Data 1 NASA WB-57F ACOS, COMA, LIF-NO, LIF-SO2, ISAF, COLD 2, UASO3 2022-07-14 to 2022-09-14 ICARTT
ACCLIP WB-57 Aircraft Merge Data 1 NASA WB-57F Computer 2022-07-16 to 2022-09-14

N: 61.5 S: 16.6 E: 180 W: -180

ICARTT
ARCTAS DC-8 Aircraft In-situ Aerosol Trace Gas Data 1 NASA DC-8 ION CHROMATOGRAPHS, GAMMA RAY SPECTROMETERS, ALPHA-SPECTROMETERS 2008-03-18 to 2008-07-14 ICARTT
ARCTAS DC-8 Aircraft In-situ Photolysis Rate Data 1 NASA DC-8 CAFS 2008-03-17 to 2008-07-14 ICARTT
ARCTAS DC-8 Aircraft In-situ Trace Gas Data 1 NASA DC-8 TOGA, GAS CHROMATOGRAPHS, ATHOS, HOxCIMS, TD-LIF, DACOM, DIAL, CIMS, FLUORESCENCE SPECTROSCOPY, NDIR GAS ANALYZER, NOxyO3, PTR-MS 2008-03-18 to 2008-07-14 ICARTT
ARCTAS DC-8 Aircraft Merge Data 1 NASA DC-8 Computer 2008-03-30 to 2008-07-15 ICARTT
ARCTAS Model Data 1 CLIMATE MODELS, GEOS-5, GEOS-Chem Computer 2008-03-30 to 2008-07-14 netCDF-3, ICARTT
ARCTAS P-3B Aircraft Aerosol In-situ Data 1 P-3B PSAP, APS, CPC, RR Neph, AETHALOMETER, DMT SP2, DMA, LDMA, TDMA, OPC, AMS, CCN 2008-03-25 to 2008-07-13 ICARTT
ARCTAS P-3B Aircraft Merge Data 1 P-3B Computer 2008-03-31 to 2008-07-13 ICARTT
ATom: Global Modeling Initiative (GMI) Chemical Transport Model (CTM) Output 1 Models Computer 2016-07-29 to 2018-05-21

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

netCDF-4
ATom: L2 In Situ Measurements from NOAA Nitrogen Oxides and Ozone (NOyO3) Instrument 1 NASA DC-8 CHEMILUMINESCENCE 2016-07-29 to 2018-05-21

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

ICARTT
ATom: Simulated Data Stream for Modeling ATom-like Measurements 1 Models Computer 1997-08-01 to 2016-08-21

N: 59.8 S: -59.8 E: 180 W: 178.9

multiple
BDSNP Module for Improved Soil NO Emission Estimates for CMAQ Model, Conterminous USA 1 Models Computer 1950-01-01 to 2016-11-16

N: 51.76 S: 22.75 E: -65 W: -129.79

netCDF-3
CAMP2Ex Merge Data Files 1 NASA P-3 Computer 2019-08-22 to 2019-10-07 ICARTT, ZIP
CAMP2Ex P-3 In-Situ Trace Gas Data 1 NASA P-3 GAS SENSORS, CRDS 2019-08-03 to 2019-10-06 ICARTT
CITE-2 Electra In-Situ Trace Gas Data 1 NASA ELECTRA GRAB SAMPLERS, GAS CHROMATOGRAPHS, CHEMILUMINESCENCE 1986-08-11 to 1986-09-07

N: 44.43 S: 30.55 E: -68.12 W: -131.91

GTE
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
DC3 In-Situ DC-8 Aircraft Trace Gas Data 1 NASA DC-8 GC-MS, TD-LIF, DACOM, LWCC, CIT-ToF-CIMS, CHEMILUMINESCENCE, PTR-MS, DFGAS, AVOCET 2012-05-04 to 2012-06-23 ICARTT
DC3 In-Situ DLR-Falcon Trace Gas Data 1 DLR-Falcon CIT-ToF-CIMS, CRDS, GAS SENSORS, CHEMILUMINESCENCE, OZONE SENSOR, GAS CHROMATOGRAPHS 2012-05-29 to 2012-06-18 ICARTT
DC3 Merge Data Files 1 DLR-Falcon, NSF/NCAR GV HIAPER, NASA DC-8 2012-05-18 to 2012-06-30 ICARTT
DISCOVER-AQ California Deployment California Air Resources Board (CARB) Data 1 GROUND STATIONS GAS SENSORS, TEMPERATURE SENSORS, PRESSURE SENSORS 2013-01-12 to 2013-02-14 ICARTT
DISCOVER-AQ California Deployment Huron Ground Site Data 1 GROUND STATIONS MPL, LI-7500, HMP45C Temperature and Relative Humidity Probe, SONIC ANEMOMETER, RADIOMETERS, CS100 Barometric Pressure Sensor, APS, TSI CPC-3010, 2B Technologies, 2B Technologies NO Monitor, 2B Technologies NO2 Converter, TSI-3563 Neph, GAS SENSORS 2013-01-12 to 2013-02-10 HDF5, ICARTT
DISCOVER-AQ California Deployment P-3B Aircraft In Situ Trace Gas Data 1 P-3B TD-LIF, DACOM, DFGAS, Picarro G2301-m, PTR-MS, LI-6252 2013-01-09 to 2013-02-10 ICARTT
DISCOVER-AQ California Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer 2013-01-15 to 2013-02-08 ICARTT
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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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