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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
DISCOVER-AQ Maryland Deployment Oldtown Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR 2011-06-19 to 2011-08-01

N: 39.3 S: 39.29 E: -76.59 W: -76.6

ICARTT
DISCOVER-AQ Maryland Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer 2011-07-01 to 2011-07-29

N: 39.82 S: 37.84 E: -75.17 W: -77.03

ICARTT
DISCOVER-AQ Maryland Deployment Padonia Ground Site Data 1 GROUND STATIONS GAS SENSORS, AEROSOL MONITOR 2011-06-19 to 2011-08-02

N: 39.47 S: 39.46 E: -76.63 W: -76.64

ICARTT
DISCOVER-AQ Maryland Deployment Pandora Column Observations 1 GROUND STATIONS Pandora 2011-06-21 to 2011-11-14

N: 39.71 S: 38.87 E: -75.86 W: -76.95

ICARTT
DISCOVER-AQ Maryland Deployment UC-12 Aircraft Remotely Sensed Airborne Compact Atmospheric Mapper Data 1 UC-12B ACAM 2011-06-29 to 2011-08-26

N: 83 S: 25 E: 2 W: -85

HDF5
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

N: 45 S: 30 E: -70 W: -123.199

ICARTT
DISCOVER-AQ Maryland University of Maryland Cessna Aircraft Data 1 UMD Cessna TECO 43C, TECO 49 2011-07-07 to 2011-07-29

N: 39.67 S: 37.14 E: -75.18 W: -78.84

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

N: 43 S: 23 E: -70 W: -110

ICARTT
DISCOVER-AQ Texas Deployment B-200 Aircraft Remotely Sensed Airborne Compact Atmospheric Mapper Data 1 B-200 ACAM 2013-09-04 to 2013-09-27

N: 30.62 S: 28.33 E: -89.1 W: -95.94

HDF5
DISCOVER-AQ Texas Deployment B-200 Aircraft Remotely Sensed GCAS Data 1 B-200 GCAS 2013-09-04 to 2013-09-27

N: 30.62 S: 28.33 E: -89.1 W: -95.97

HDF5
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

N: 43 S: 23 E: 97 W: -110

ICARTT
DISCOVER-AQ Texas Deployment Falcon Aircraft Remotely Sensed Geostationary Trace gas and Aerosol Optimization (GeoTASO) Data 1 HU-25C GeoTASO 2013-09-13 to 2013-09-24

N: 36.7 S: 27.99 E: -78.35 W: -98.6

HDF5
DISCOVER-AQ Texas Deployment Manvel Croix Ground Site Data 1 GROUND STATIONS LGR CRDS 2013-08-30 to 2013-09-28

N: 29.53 S: 29.52 E: -95.39 W: -95.4

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 2013-09-01 to 2013-10-01

N: 29.73 S: 29.71 E: -95.2 W: -95.4

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 Pandora Column Observations 1 GROUND STATIONS Pandora 2012-03-10 to 2013-10-03

N: 43 S: 23 E: 96 W: -120

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 2013-08-29 to 2013-09-28

N: 29.55 S: 29.54 E: -94.78 W: -94.79

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
Dynamics and Chemistry of the Summer Stratosphere Airborne Data Products 1 NASA ER-2, NCEP-GFS, ECMWF ERA5, GEOS-5 MMS, UCATS-GC, DPOPS, ROZE, HWV, CANOE, CAFE, HAL, HUPCRS, Computer 2021-06-09 to 2022-07-13

N: 58 S: 13.5 E: -78.5 W: -131

ICARTT, NetCDF-4
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 DC-8 Remotely Sensed Trace Gas Data 1 NASA DC-8 DOAS 2019-07-16 to 2019-09-07

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

NetCDF-3
FIREX-AQ ER-2 Remotely Sensed GEOstationary Coastal and Air Pollution Events (GEO-CAPE) Airborne Simulator (GCAS) 1 NASA ER-2 GCAS 2019-08-02 to 2019-08-21

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

HDF5
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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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