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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 Resolution | Spatial Coverage | Temporal Resolution | Temporal Coverage | Spectral Resolution | Satellite/ Platform | Name (Instrument, Model, etc.) | Observation, Model, or Reanalysis | File Format |
|---|---|---|---|---|---|---|---|---|
| 0.25°, 13 km x 24 km | Global | 98 min, Daily | 2004-near present | 1.0-0.45 nm Full Width and Half Maximum (FWHM) | Aura | Ozone Monitoring Instrument (OMI) | Observation | HDF-EOS5 |
| 5.5 km x 3.5 km | Global | 101.5 minutes | 2021-present | 270 nm-2.3 µm, 0.55 nm | ESA Sentinel-5P | TROPOspheric Monitoring Instrument (TROPOMI) | Observation | netCDF |
| 2.0 km x 4.75 km | North America | Hourly | 08/2023 - present | 0.6 nm | Intelsat 40e | Tropospheric Emissions: Monitoring Pollution (TEMPO) | Observation | netCDF |
| 0.25º x 0.25° | Global | 15 min, Hourly | Daily 5-day forecast | N/A | N/A | GEOS-CF | Model | netCDF |
| 0.0083° x 0.0083° | Near-global | Yearly | 1990-2020 | N/A | N/A | LUR | Model | netCDF |
| Point measurements | Global | Periodic flights occurred during each deployment | 2016-2018 | Varies | Airborne Field Campaign | Atmospheric Tomography Mission (ATom) campaign with varying instruments | Observation | netCDF |
Nitrogen Oxides Datasets
| Dataset | Platforms | Instruments | Temporal Extent | Location Keywords | Spatial Extent | Data Format |
|---|---|---|---|---|---|---|
| DISCOVER-AQ Maryland Deployment Essex Ground Site Data | GROUND STATIONS | GAS SENSORS, AEROSOL MONITOR, MPL | 2011-06-17 to 2011-08-02 | NORTH AMERICA, UNITED STATES OF AMERICA, DISTRICT OF COLUMBIA, MARYLAND, NORTHERN HEMISPHERE | HDF5, ICARTT | |
| DISCOVER-AQ Maryland Deployment NOAA Delaware II Ship Data | NOAA Delaware II | TECO 49, GAS SENSORS, MPL | 2011-06-30 to 2011-07-22 | NORTH AMERICA, UNITED STATES OF AMERICA, DISTRICT OF COLUMBIA, MARYLAND, NORTHERN HEMISPHERE | HDF5, ICARTT | |
| DISCOVER-AQ Maryland Deployment Oldtown Ground Site Data | GROUND STATIONS | GAS SENSORS, AEROSOL MONITOR | 2011-06-17 to 2011-08-02 | NORTH AMERICA, UNITED STATES OF AMERICA, DISTRICT OF COLUMBIA, MARYLAND, WESTERN HEMISPHERE | ICARTT | |
| DISCOVER-AQ Maryland Deployment P-3B Aircraft Merged Data Files | P-3B | Computer | 2011-06-29 to 2011-08-02 | NORTH AMERICA, UNITED STATES OF AMERICA, DISTRICT OF COLUMBIA, MARYLAND, WESTERN HEMISPHERE | ICARTT | |
| DISCOVER-AQ Maryland Deployment Padonia Ground Site Data | GROUND STATIONS | GAS SENSORS, AEROSOL MONITOR | 2011-06-17 to 2011-08-03 | NORTH AMERICA, UNITED STATES OF AMERICA, DISTRICT OF COLUMBIA, MARYLAND, NORTHERN HEMISPHERE | ICARTT | |
| DISCOVER-AQ Maryland P-3B Aircraft In Situ Trace Gas Data | P-3B | DACOM, TD-LIF, DFGAS, LI-6252, CHEMILUMINESCENCE, PTR-MS | 2011-06-26 to 2011-07-31 | NORTH AMERICA, UNITED STATES OF AMERICA, DISTRICT OF COLUMBIA, MARYLAND, NORTHERN HEMISPHERE | ICARTT | |
| DISCOVER-AQ Texas Deployment Analysis and Ancillary Ground Site Data | 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 | NORTH AMERICA, UNITED STATES OF AMERICA, TEXAS, NORTHERN HEMISPHERE, WESTERN HEMISPHERE | ICARTT | |
| DISCOVER-AQ Texas Deployment Environmental Protection Agency (EPA) Ground Site Data | 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 | NORTH AMERICA, UNITED STATES OF AMERICA, TEXAS, WESTERN HEMISPHERE, NORTHERN HEMISPHERE | ICARTT | |
| DISCOVER-AQ Texas Deployment Moody Tower Ground Site Data | 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 | NORTH AMERICA, UNITED STATES OF AMERICA, TEXAS, NORTHERN HEMISPHERE, WESTERN HEMISPHERE | HDF5, ICARTT | |
| DISCOVER-AQ Texas Deployment P-3B Aircraft In Situ Trace Gas Data | P-3B | TD-LIF, DACOM, DFGAS, CHEMILUMINESCENCE, PTR-MS, LI-6252 | 2013-08-26 to 2013-10-01 | NORTH AMERICA, UNITED STATES OF AMERICA, TEXAS, NORTHERN HEMISPHERE, WESTERN HEMISPHERE | 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.
Data from the next-generation Instruments will help atmospheric scientists advance air quality measurements and standards.
20 MIN READ
Access NASA Earth observation data within three hours of a satellite observation through the Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
NASA offers an array of carbon monoxide data to aid in determining its role in atmospheric processes, pollution, and climate.
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