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Nitrogen Dioxide 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 Dioxide Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
Sentinel-5P TROPOMI Near-Real-Time (NRT) Methane CH4 1-Orbit L2 5.5km x 7km V2 (S5P_L2__CH4____HiR_NRT) 2 Sentinel-5P TROPOMI 2025-11-26 to Present

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

3.5 Kilometers x 5.5 Kilometers
Sentinel-5P TROPOMI Near-Real-Time (NRT) Tropospheric NO2 1-Orbit L2 5.5km x 3.5km V2 (S5P_L2__NO2____HiR_NRT) 2 Sentinel-5P TROPOMI 2025-01-27 to Present

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

3.5 Kilometers x 5.5 Kilometers
Sentinel-5P TROPOMI Tropospheric NO2 1-Orbit L2 5.5km x 3.5km V2 (S5P_L2__NO2____HiR) 2 Sentinel-5P TROPOMI 2018-04-30 to Present

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

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 Ground Site Data 1 GROUND STATIONS LIDAR, DIAL, MARK IV INTERFEROMETER 1999-11-09 to 2000-03-15

N: 78.92 S: 67 E: 21.1 W: 11.93

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
SOLVE II DC-8 Aircraft Remotely Sensed Trace Gas Data 1 NASA DC-8 GAMS/LAABS 2002-12-13 to 2003-02-06

N: 90 S: 13.1 E: 180 W: -180

AMES
SOLVE II Supplementary Satellite Data Products 1 SPOT-4 POAM III 2002-12-01 to 2003-03-02

N: 67.6 S: 63.4 E: 180 W: -180

AMES
STAQS Drone Data 1 UAV 2B Technologies 2023-08-01 to 2023-08-18

N: 42.508 S: 42.504 E: -87.805 W: -87.82

ICARTT
STAQS GMAP Data 1 EPA GMAP Teledyne API Ozone Analyzer, GPS 2023-08-01 to 2023-08-12

N: 42.02 S: 41.71 E: -87.6 W: -87.96

ICARTT
STAQS Ground Data 1 GROUND STATIONS DOAS 2023-06-01 to 2023-11-08

N: 42.59 S: 41.96 E: -87.67 W: -87.88

ICARTT
STAQS JSC GV GEOstationary Coastal and Air Pollution Events (GEO-CAPE) Airborne Simulator Data 1 G-V GCAS 2023-06-26 to 2023-08-17

N: 44.56 S: 33.36 E: -72 W: -120.3

netCDF-4, KMZ
STAQS NASA G-III GEOstationary Coastal and Air Pollution Events (GEO-CAPE) Airborne Simulator Data 1 G-III GCAS 2023-08-22 to 2023-08-28

N: 34.96 S: 33.42 E: -116.5 W: -119.31

netCDF-4, KMZ
STAQS SeaRey Data 1 Airplane 2B Technologies 2023-07-18 to 2023-08-19

N: 45.41 S: 38.67 E: -86.8 W: -89.1

ICARTT
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
Stratospheric Aerosol and Gas Experiment (SAGE) II Version 7.0 Aerosol, O3, NO2 and H2O Profiles in binary format V7.0 ERBS SUN PHOTOMETERS, SAGE II, PHOTOMETERS 1984-10-24 to 2005-08-30 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
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
TEMPO gridded NO2 tropospheric and stratospheric columns V03 (PROVISIONAL) V03 IS-40e TEMPO 2023-08-02 to 2025-09-16 netCDF-4
TEMPO gridded NO2 tropospheric and stratospheric columns V04 (PROVISIONAL) V04 IS-40e TEMPO 2023-08-02 to Present netCDF-4
TEMPO NO2 tropospheric and stratospheric columns V02 (NRT) PROVISIONAL V02 IS-40e TEMPO 2025-09-17 to Present 10 Kilometers x 10 Kilometers netCDF-4
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Featured Nitrogen Dioxide Observation Method: TEMPO

The Tropospheric Emissions: Monitoring Pollution (TEMPO) instrument is a grating spectrometer sensitive to visible and ultraviolet wavelengths of light. It monitors major air pollutants such as ozone and nitrogen dioxide across the North American continent every daylight hour at high spatial resolution.

Learn More About TEMPO
Earthdata graphic identifier on top of satellite image of Earth

TEMPO/GOES NRT Products

This Satellite Needs Working Group solution aims to provide hourly near real-time (NRT) air quality products using Tropospheric Emissions: Monitoring Pollution (TEMPO) and Geostationary Operational Environmental Satellite (GOES) data.

Nitrogen Dioxide Data Tools

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