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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
LISTOS Stony Brook Aircraft In-Situ Data 1 Airplane AIMMS 2018-06-30 to 2019-07-29 ICARTT
LISTOS Surface Mobile Platform In-Situ Data 1 GROUND-BASED OBSERVATIONS OZONE SENSOR, CPC, AMS, GAS SENSORS, GC-MS, Teledyne API Ozone Analyzer, Teledyne API Model T200U NO/NO2/NOx Analyzer 2018-05-23 to 2019-07-09 ICARTT
LISTOS University of Maryland Cessna Aircraft In-Situ Data 1 UMD Cessna GPS, OZONE SENSOR, GAS SENSORS, CRDS, TSI-3563 Neph, AETHALOMETER, PSAP, GC-MS 2017-05-17 to 2019-07-29 ICARTT
LISTOS Westport Ground Site Data 1 GROUND STATIONS GAS SENSORS, LIDAR, OZONESONDES, LASERS 2018-05-01 to 2019-09-11 ICARTT
LMOS Illinois EPA (IEPA) Ground Site Data 1 GROUND STATIONS GAS SENSORS 2017-05-17 to 2017-05-30 ICARTT
LMOS Sheboygan Ground Site Data 1 GROUND STATIONS LASERS, LIDAR, HSRL, GPS, SPECTROMETERS, GAS SENSORS 2017-05-09 to 2017-06-24 ICARTT, NetCDF-3
LMOS Zion Ground Site Data 1 GROUND STATIONS CIT-ToF-CIMS, GAS SENSORS, PYRANOMETERS, SPECTROMETERS, CEILOMETERS, APS, SMPS, SODAR, GC-MS, OC-EC Analyzer 2017-05-16 to 2017-06-24 ICARTT, NetCDF-3, HDF5
Mechanistic Module for Soil Nitrogen Emissions for CMAQ Model, North America, 2011 1 MODELS Computer 2011-04-21 to 2011-04-21

N: 51.5525 S: 25.0697 E: -59.1328 W: -128.742

netCDF-3
MOOSE Aerodyne Mobile Laboratory Measurements 1 GROUND-BASED OBSERVATIONS GC-EI-TOF, Aerodyne Mini-TILDAS, Aerodyne CAPS, LICOR GAS EXCHANGE SYSTEM, 2B Technologies 2021-05-20 to 2021-07-01 ICARTT
MOOSE NASA G-3 Aircraft GEO-CAPE Airborne Simulator (GCAS) Remotely Sensed Data 1 G-III GCAS 2021-06-05 to 2021-06-29 NetCDF-4
NAAMES C-130 Aircraft Merge Data Files 1 C-130 Computer 2015-11-10 to 2017-09-22 ICARTT
NARSTO 1998 Model-Intercomparison Study Verification Data: NARSTO-Northeast 1995 Surface Ozone, NO, and NOx Langley Data Center Data Set 1 GROUND STATIONS UV OZONE DETECTORS, CHEMILUMINESCENCE 1995-05-01 to 1995-09-30 ASCII
NARSTO EPA Supersite (SS) Atlanta 1999 Air Chemistry, Particulate Matter (PM), and Meteorological Data 1 LABORATORY, GROUND STATIONS, METEOROLOGICAL STATIONS BAROMETERS, NDIR GAS ANALYZER, UV OZONE DETECTORS, TEOM, PYRANOMETERS, HYGROMETERS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, ANEMOMETERS 1999-07-30 to 1999-09-03 ASCII
NARSTO EPA Supersite (SS) Houston, Texas Air Quality Study 2000 (TexAQS2000) Department of Energy (DOE) G-1 Air Chemistry, Aerosol, and Met Data 1 AIRCRAFT BAROMETERS, NDIR GAS ANALYZER, TEMPERATURE PROBES, UV OZONE DETECTORS, HPLC, PYRANOMETERS, HYGROMETERS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, GUST PROBES, FLUOROMETERS, PHOTOMETERS 2000-08-19 to 2000-09-12 ASCII
NARSTO EPA Supersite (SS) Houston, Texas Air Quality Study 2000 (TexAQS2000) Texas Natural Resource Conservation Commission (TNRCC) continuous ambient monitoring stations (CAMS) Air Quality Data 1 GROUND STATIONS, METEOROLOGICAL STATIONS NDIR GAS ANALYZER, UV OZONE DETECTORS, TEOM, PYRANOMETERS, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY, ANEMOMETERS, THERMISTORS 2000-08-02 to 2000-09-30 ASCII
NARSTO EPA Supersite (SS) New York Air Chemistry, Particulate Matter, and Meteorological Data 1 GROUND STATIONS BAROMETERS, UV OZONE DETECTORS, PYRANOMETERS, HYGROMETERS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, ANEMOMETERS, THERMISTORS 2000-01-01 to 2006-01-01 ASCII
NARSTO EPA_SS_HOUSTON TEXAQS2000 Washburn Tunnel Air Quality Monitoring Data 1 LABORATORY, GROUND STATIONS FOURIER TRANSFORM SPECTROMETERS, GAS CHROMATOGRAPHS, AEROSOL COLLECTORS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS 2000-08-29 to 2000-09-01 ASCII
NARSTO ICARTT NEAX 2004 DOE G-1 Air Chemistry, Aerosol, and Met Data 1 AIRCRAFT BAROMETERS, UV OZONE DETECTORS, PYRANOMETERS, HYGROMETERS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, ANEMOMETERS, THERMISTORS 2004-07-24 to 2004-08-11 ASCII
NARSTO PAC2001 Langley Site Gaseous, Particle, and Meteorological Data 1 GROUND STATIONS, METEOROLOGICAL STATIONS AETHALOMETER, TEMPERATURE PROBES, UV OZONE DETECTORS, GC-MS, TEOM, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY, ION CHROMATOGRAPHS, HUMIDITY SENSORS, IR CO2 ANALYZER, PRESSURE SENSORS 2001-08-08 to 2001-09-02 ASCII
NARSTO PAC2001 Sumas Eagle Ridge Gaseous, Particle, and Meteorological Data 1 GROUND STATIONS, METEOROLOGICAL STATIONS AETHALOMETER, UV OZONE DETECTORS, GC-MS, TEOM, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY, TEMPERATURE SENSORS, ION CHROMATOGRAPHS, HUMIDITY SENSORS, IR CO2 ANALYZER, PRESSURE SENSORS 2001-08-13 to 2001-09-05 ASCII
NARSTO Pacific 2001 Air Quality Study (PAC2001) Cassiar Tunnel Gaseous and Particle Mass and Composition Data 1 LABORATORY, FIELD SURVEYS GAS CHROMATOGRAPHS, XRF, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, DIFFERENTIAL MOBILITY ANALYZERS 2001-08-08 to 2001-08-15 ASCII
NARSTO Pacific 2001 Air Quality Study (PAC2001) Golden Ears Gaseous and Particulate Matter (PM) Data 1 GROUND STATIONS AETHALOMETER, TEMPERATURE PROBES, UV OZONE DETECTORS, GAS CHROMATOGRAPHS, XRF, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, HUMIDITY SENSORS, DIFFERENTIAL MOBILITY ANALYZERS, WIND MONITOR, PRESSURE SENSORS 2001-08-03 to 2001-08-11 ASCII
NARSTO Pacific 2001 Air Quality Study (PAC2001) Slocan Park (SLPK) Slocan Park Site Gaseous, Partculate Matter (PM), and Meteorological Data 1 GROUND STATIONS, METEOROLOGICAL STATIONS AETHALOMETER, TEMPERATURE PROBES, UV OZONE DETECTORS, GC-MS, TEOM, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY, ION CHROMATOGRAPHS, HUMIDITY SENSORS, IR CO2 ANALYZER, PRESSURE SENSORS 2001-08-11 to 2001-09-01 ASCII
NARSTO SOS99 Nashville Tennessee Valley Authority (TVA) Surface Meteorology and Chemistry Data 1 GROUND STATIONS, METEOROLOGICAL STATIONS NDIR GAS ANALYZER, UV OZONE DETECTORS, PYRANOMETERS, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY, ANEMOMETERS, THERMISTORS 1999-06-15 to 1999-07-16 ASCII
NARSTO SOS99 Nashville WP-3D Orion Air Chemistry Data 1 GROUND STATIONS BAROMETERS, LOPC-PMS, HPLC, HYGROMETERS, CHEMILUMINESCENCE, GPS, SPECTRORADIOMETERS, THERMISTORS 1999-06-26 to 1999-07-19 ASCII
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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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