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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
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
NARSTO SOS99NASH DOE G-1 Air Chemistry Data 1 G-1 AIRCRAFT BAROMETERS, AEROSOL COLLECTORS, HYGROMETERS, CHEMILUMINESCENCE, INFRARED THERMOMETERS, GUST PROBES, SPECTRORADIOMETERS 1999-06-26 to 1999-06-26 ASCII
Nitrogen Deposition onto the United States and Western Europe 1 LABORATORY ION CHROMATOGRAPHS 1987-01-01 to 1994-12-31

N: 70.5 S: 25 E: 44.5 W: -124

Text File
OMI/Aura NO2 Tropospheric, Stratospheric & Total Columns MINDS 1-Orbit L2 Swath 13 km x 24 km V1.1 (OMI_MINDS_NO2) at GES DISC 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 L2 Global Gridded 0.25 degree x 0.25 degree V1.1 (OMI_MINDS_NO2G) at GES DISC 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) at GES DISC 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
ORACLES Merge Data Files 1 NASA P-3, NASA ER-2 Computer 2016-07-28 to 2019-03-23

N: 37.95 S: -34.95 E: 14.94 W: -76.44

NetCDF-4
OWLETS-1 Analysis Model Data 1 GEOS Computer 2017-07-17 to 2017-07-22 NetCDF-4
OWLETS-2 Surface (Ground) Data 1 GROUND STATIONS, Vaisala HydroMet AWS GAS SENSORS, LGR CRDS, Picarro G2401, TEMPERATURE SENSORS, PRESSURE SENSORS, HUMIDITY SENSORS 2018-05-23 to 2018-08-02 ICARTT
OWLETS-2 University of Maryland Cessna Aircraft Data 1 UMD Cessna, HU-25A GPS, GAS SENSORS, TSI-3563 Neph, AETHALOMETER, PSAP, Picarro G2401, LGR CRDS, GeoTASO 2017-07-07 to 2018-07-20 ICARTT, HDF5
PEM Tropics A DC-8 In-Situ Trace Gas Data 1 NASA DC-8 DACOM, FLUORESCENCE SPECTROSCOPY, CHEMILUMINESCENCE, GRAB SAMPLERS, GAS CHROMATOGRAPHS, ION CHROMATOGRAPHS 1996-08-22 to 1998-10-08

N: 50 S: -72.55 E: 180 W: -180

GTE
PEM Tropics B DC-8 In-Situ Trace Gas Data 1 NASA DC-8 DACOM, GAS CHROMATOGRAPHS, GRAB SAMPLERS, LIQUID CHROMATOGRAPHS, ION CHROMATOGRAPHS, LIF-NO, CHEMILUMINESCENCE 1999-02-20 to 1999-04-19

N: 40 S: -36.35 E: 180 W: -180

GTE
PEM Tropics B P-3B In-Situ Trace Gas Data 1 P-3B CIMS, DACOM, GAS CHROMATOGRAPHS, CHEMILUMINESCENCE, ION CHROMATOGRAPHS, GRAB SAMPLERS 1999-03-05 to 1999-04-12

N: 40 S: -36.33 E: 180 W: -180

GTE
PEM Tropics B P-3B Photolysis Frequencies (J-Values) 1 P-3B, Data Analysis SAFS 1999-03-05 to 1999-04-12

N: 40 S: -36.33 E: 180 W: -180

GTE
PEM West A DC-8 In-Situ Trace Gas Data 1 NASA DC-8 GRAB SAMPLERS, CHEMILUMINESCENCE, FLUORESCENCE SPECTROSCOPY, DACOM 1991-09-08 to 1991-10-23

N: 61.338 S: -0.058 E: 180 W: -180

GTE
PEM West A Ground Data 1 GROUND STATIONS NDIR GAS ANALYZER, CHEMILUMINESCENCE 1991-01-08 to 1991-12-31

N: 52.92 S: 21.33 E: 180 W: -180

GTE
PEM West B DC-8 In-Situ Trace Gas Data 1 NASA DC-8 CHEMILUMINESCENCE, HPLC, DACOM, GAS CHROMATOGRAPHS 1994-01-26 to 1994-03-15

N: 90 S: -9.7 E: 180 W: -180

GTE
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
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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

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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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Nitrogen Oxides Data Tools

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