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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 California Deployment Porterville Ground Site Data 1 GROUND STATIONS CAPS PMex Monitor, MPL, TSI-3563 Neph, MFRSR, UC Davis RDI, SMPS, TEMPERATURE SENSORS, PRESSURE SENSORS 2013-01-07 to 2013-02-21 HDF5, ICARTT
DISCOVER-AQ California Deployment San Joaquin Valley Air Pollution Control District Ground Site Data 1 GROUND STATIONS GAS SENSORS, TEMPERATURE SENSORS, PRESSURE SENSORS, Teledyne API Model T200UP NO-NO2 Analyzer, CAPS NO2 Analyzer, Teledyne API Model T200U NO/NO2/NOx Analyzer, LGR CRDS 2013-01-04 to 2013-02-14 ICARTT
DISCOVER-AQ Colorado Deployment Mobile Platform Data 1 NASA MACH-2 LGR CRDS, MAAP, TSI EEPS, SMPS, NH3 QC Laser-Based Sensor, N2O/CO QC Laser-Based Sensor, LI-7700, LI-7500, TEMPERATURE SENSORS, PRESSURE SENSORS 2014-07-14 to 2014-08-15 ICARTT
DISCOVER-AQ Colorado Deployment NREL-Golden Ground Site Data 1 GROUND STATIONS RADIOSONDES, APS, OC-EC Analyzer, PILS/IC, MPL, LIDAR, MetOne BAM 1020, CAPS PMex Monitor, Teledyne API Model T200U NO/NO2/NOx Analyzer, Teledyne API Model T265 O3 Analyzer, CEILOMETERS 2014-07-10 to 2014-08-15 HDF5, ICARTT
DISCOVER-AQ Colorado Deployment P-3B Aircraft In Situ Trace Gas Data 1 P-3B DACOM, TD-LIF, DFGAS, LI-6252, CHEMILUMINESCENCE, PTR-MS 2014-07-06 to 2014-08-14 ICARTT
DISCOVER-AQ Colorado Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer, SMPS, UHSAS, LASER SPECTROMETER, APS, CAS, CIP, CCN, TSI CPC-3025, TSI-3563 Neph, PSAP, PILS/IC, DMT SP2, DACOM, DLH, DFGAS, PTR-MS 2013-09-03 to 2014-08-20 ICARTT
DISCOVER-AQ Maryland Deployment Aldino Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR 2011-06-17 to 2011-08-02 ICARTT
DISCOVER-AQ Maryland Deployment Beltsville Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR, MPL 2011-06-17 to 2011-08-02 HDF5, ICARTT
DISCOVER-AQ Maryland Deployment Edgewood Ground Site Data 1 GROUND STATIONS GAS SENSORS, RADIOMETERS, WindCube, MPL, TEOM Monitor Series 1400ab 2011-06-17 to 2011-08-17 HDF5, ICARTT
DISCOVER-AQ Maryland Deployment Essex Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR, MPL 2011-06-17 to 2011-08-02 HDF5, ICARTT
DISCOVER-AQ Maryland Deployment NOAA Delaware II Ship Data 1 NOAA Delaware II TECO 49, GAS SENSORS, MPL 2011-06-30 to 2011-07-22 HDF5, ICARTT
DISCOVER-AQ Maryland Deployment Oldtown Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR 2011-06-17 to 2011-08-02 ICARTT
DISCOVER-AQ Maryland Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer 2011-06-29 to 2011-08-02 ICARTT
DISCOVER-AQ Maryland Deployment Padonia Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR 2011-06-17 to 2011-08-03 ICARTT
DISCOVER-AQ Maryland P-3B Aircraft In Situ Trace Gas Data 1 P-3B DACOM, TD-LIF, DFGAS, LI-6252, CHEMILUMINESCENCE, PTR-MS 2011-06-26 to 2011-07-31 ICARTT
DISCOVER-AQ Texas Deployment Analysis and Ancillary Ground Site Data 1 GROUND STATIONS CAPS NO2 Analyzer, 2B Technologies, PTR-MS, CEILOMETERS, Vaisala HUMICAP HMP155, RM Young 05103 Wind Monitor, TE525 Rain Gauge 2013-08-13 to 2016-03-14 ICARTT
DISCOVER-AQ Texas Deployment Environmental Protection Agency (EPA) Ground Site Data 1 GROUND STATIONS Teledyne API Model T200U NO/NO2/NOx Analyzer, CairPol CairClip, Aerodyne CAPS, Teledyne API Model T200UP NO-NO2 Analyzer 2013-09-01 to 2013-10-01 ICARTT
DISCOVER-AQ Texas Deployment Galveston Ground Site Data 1 GROUND STATIONS CEILOMETERS, CHEMILUMINESCENCE, PHOTOMETERS, FLUORESCENCE SPECTROSCOPY 2013-08-29 to 2013-10-01 ICARTT
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 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 ICARTT
DISCOVER-AQ Texas Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer 2011-06-30 to 2013-10-01 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 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 ICARTT
FIREX-AQ Aerodyne Mobile Lab Surface Mobile In-Situ Measurements 1 AML AMS, OC-EC Analyzer 2019-08-06 to 2019-08-30 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 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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