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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
DISCOVER-AQ Texas Deployment Moody Tower Ground Site Data 1 GROUND STATIONS LIDAR, Thermo Model 49C O3 Analyzer, Thermo Scientific SO2 43i Analyzer, Thermo Scientific CO Analyzer, Thermo Model 42C NO-NO2-NOx Analyzer, Thermo Scientific NOx Analyzer, RM Young 05103 Wind Monitor, HMP45C Temperature and Relative Humidity Probe 2013-08-30 to 2013-10-02

N: 43 S: 23 E: -70 W: -100

HDF5, ICARTT
DISCOVER-AQ Texas Deployment P-3B Aircraft In Situ Trace Gas Data 1 P-3B TD-LIF, DACOM, DFGAS, CHEMILUMINESCENCE, PTR-MS, LI-6252 2013-08-26 to 2013-10-01

N: 43 S: 23 E: -70 W: -124

ICARTT
DISCOVER-AQ Texas Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer 2011-06-30 to 2013-10-01

N: 43 S: 23 E: -70 W: -100

ICARTT
DISCOVER-AQ Texas Deployment Smith Point Ground Site Data 1 GROUND STATIONS MPL, 2B Technologies, 2B Technologies NO Monitor, 2B Technologies NO2 Converter, APS, TSI CPC-3010, MULTIFILTER RADIOMETER, CAPS NO2 Analyzer, TEMPERATURE SENSORS, PRESSURE SENSORS 2013-08-27 to 2013-09-30

N: 43 S: 23 E: -70 W: -100

HDF5, ICARTT
DISCOVER-AQ Texas Deployment Texas Commission on Environmental Quality Ground Site Data 1 GROUND STATIONS GAS SENSORS, CHEMILUMINESCENCE, Teledyne API Model T200 NO/NO2/NOx Analyzer, Teledyne API Ozone Analyzer 2013-08-13 to 2013-10-02

N: 43 S: 23 E: 96 W: -110

ICARTT
FIREX-AQ Aerodyne Mobile Lab Surface Mobile In-Situ Measurements 1 AML AMS, OC-EC Analyzer 2019-08-06 to 2019-08-30

N: 60 S: 15 E: 118.72 W: -135

ICARTT
FIREX-AQ California Air Resources Board (CARB) Surface Mobile In-Situ Measurements 1 CARB MMP GAS SENSORS 2019-08-15 to 2019-11-04

N: 60 S: 15 E: -75 W: -135

ICARTT
FIREX-AQ DC-8 In-Situ Trace Gas Data 1 NASA DC-8 TOGA, WAS, ION CHROMATOGRAPHS, LICOR GAS EXCHANGE SYSTEM, DACOM, CAMS, GC-MS, SPECTROMETERS, LGR, CHEMILUMINESCENCE, CIMS, PTR-MS, CIT-ToF-CIMS, ACES 2019-07-15 to 2019-09-05

N: 60 S: 15 E: -75 W: -135

ICARTT
FIREX-AQ Merge Data Files 2 NASA DC-8 GPS, MMS, DLH, LGR, CDP, CAPS, AMS, ION CHROMATOGRAPHS, PTR-MS, GC-MS, ACES 2019-07-22 to 2019-09-06

N: 60 S: 15 E: -75 W: -135

ICARTT
FIREX-AQ NOAA-CHEM Twin Otter In Situ Trace Gas Data 1 NOAA Twin Otter CHEMILUMINESCENCE, GC-MS, Picarro G2401, CIMS 2019-07-29 to 2019-09-06

N: 60 S: 15 E: -75 W: -135

ICARTT
Global Fire Emissions Database, Version 4.1 (GFEDv4) 4.1 MODELS, TRMM, Terra, ERS-1 Computer, VIIRS, MODIS, ATSR 1995-06-01 to 2016-12-31

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

multiple
Global Maps of Atmospheric Nitrogen Deposition, 1860, 1993, and 2050 1 NOT APPLICABLE NOT APPLICABLE 1860-01-01 to 2050-12-31

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

multiple
Global N Cycle: Fluxes and N2O Mixing Ratios Originating from Human Activity 1 NOT APPLICABLE NOT APPLICABLE 1756-01-01 to 2004-12-31

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

Text File
GOME/ERS-2 NO2 Tropospheric, Stratospheric and Total Columns MINDS 1-Orbit L2 Swath 40 km x 320 km V1.1 (GOME_MINDS_NO2) 1.1 ERS-2 GOME 1995-06-30 to 2003-06-22

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

40 Kilometers x 320 Kilometers
KORUS-AQ Aircraft Merge Data Files 1 NASA DC-8 Computer 2016-04-24 to 2016-06-21

N: 61.32 S: 30.1 E: 180 W: -180

ICARTT
KORUS-AQ Ancillary Analysis Data 1 MODELS AMS 2016-04-30 to 2016-10-18

N: 67 S: 25 E: 180 W: -180

ICARTT
KORUS-AQ Ancillary Model Data Products 1 GEOS-Chem, FLEXPART, CAM-chem, WRF 2016-04-30 to 2016-06-11

N: 67 S: 25 E: 180 W: -180

NetCDF-4, ICARTT
KORUS-AQ DC-8 Aircraft In Situ Trace Gas Data 1 NASA DC-8 LI-6252, GC-MS, TD-LIF, DACOM, CAMS, 4STAR, CIMS, CIT-ToF-CIMS, ACES, CHEMILUMINESCENCE, PTR-MS 2016-04-16 to 2016-06-21

N: 67 S: 25 E: 180 W: -180

ICARTT
KORUS-AQ Environmental Protection Agency (EPA) Ground Site Data 1 GROUND STATIONS CEILOMETERS, CAPS, 2B Technologies, Aeroqual Portable Air Quality Monitor 2016-04-27 to 2016-06-13

N: 37.63 S: 37.21 E: 127.42 W: 127.02

HDF5, ICARTT
KORUS-AQ Hanseo King Air Aircraft In Situ Trace Gas Data 1 King Air CAFE, LGR, CAPS NO2 Analyzer, Aerolaser AL5002, Teledyne API Ozone Analyzer, Thermo Scientific SO2 43i Analyzer 2016-04-26 to 2016-06-12

N: 37.99 S: 33.32 E: 130.68 W: 124.23

ICARTT
KORUS-AQ Miscellaneous Data 1 UMD Cessna GPS, LGR CRDS, TECO 43C, Picarro G2401, AETHALOMETER, PSAP 2016-04-30 to 2016-06-13

N: 38 S: 36.67 E: 115.13 W: 114.26

ICARTT
KORUS-AQ Pandora Column Observations 1 R/V ONNURI, GROUND STATIONS Pandora 2015-04-30 to 2016-10-18

N: 37.91 S: 33.78 E: 131.39 W: 124.32

ICARTT
KORUS-AQ Research Vessel (R/V) JangMok Ship Data 1 R/V JangMok Thermo Scientific Ozone Analyzer, Thermo Scientific NOx Analyzer, Thermo Scientific CO Analyzer, Thermo Scientific SO2 43i Analyzer, WIND MONITOR, GPS 2016-05-20 to 2016-06-06

N: 35.62 S: 34.19 E: 129.66 W: 125.37

ICARTT
KORUS-AQ Research Vessel (R/V) Onnuri Ship Data 1 R/V ONNURI SpEx, AMS, SUN PHOTOMETERS, GAS SENSORS 2016-05-16 to 2016-06-05

N: 37.94 S: 33.43 E: 131.39 W: 124.14

ICARTT
LBA-ECO ND-07 Nitric Oxide Flux from Cerrado Soils, Brasilia, Brazil: 2004 1 NOT APPLICABLE NOT APPLICABLE 2004-03-22 to 2004-11-25

N: -15.9328 S: -15.9328 E: -47.8506 W: -47.8506

CSV
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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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