Accessing TEMPO Data
The TEMPO mission is providing a suite of air quality-related products, which are made publicly available and free of charge via the NASA Atmospheric Science Data Center (ASDC) TEMPO Data Products page and NASA Earthdata.
To learn more about TEMPO data products and how to get TEMPO data, please view the NASA Earthdata Webinar NASA Atmospheric Science Data Center “Finding Your TEMPO: An Introduction to the Mission, Products, and Data Services for Air Quality Observations over North America" and the associated presentation slide deck.
More information about TEMPO and the services the ASDC provides may be found in the TEMPO storymap.
Visualizing TEMPO Data
TEMPO data can be visualized using NASA Worldview for both Level 2 and Level 3 data.
TEMPO Level 3 nitrogen dioxide, formaldehyde and total ozone (coming soon) are available from NASA ArcGIS online. This ESRI blog post describes how to visualize TEMPO nitrogen dioxide data from ArcGIS Living Atlas of the World.
NASA Science Visualization Studio images/animations are available for 2 August 2023, 28-31 August 2023 and 28 March 2024.
TEMPO Data Products
The table below shows the baseline TEMPO Level 1 – Level 3 data products. All Level 2 data products are produced at the native spatial resolution of 2.0 km x 4.75 km, except for the ozone profile product which is produced at a coarser resolution of 8.0 km x 4.75 km as this algorithm is very computationally expensive. Level 3 products are provided by resampling Level 2 products for a single scan to a 0.02° x 0.02° regular grid. All baseline products are currently publicly available, except the ozone profile product which will become available in mid-2025.
In addition to the baseline products, near real-time (NRT) (latency <3 hours) radiance, cloud, nitrogen dioxide, formaldehyde and aerosol products will become publicly available in mid-2025. These NRT products were identified by NASA’s Satellite Needs Working Group (SNWG) as high-priority data products for federal agencies and other stakeholders.
| Level | Product | Major Outputs | Resolution (km2) |
Frequency/Size |
|---|---|---|---|---|
| L1 | Irradiance | Calibrated solar irradiance from working/reference diffuser | Weekly (working) or quarterly (reference) | |
| Radiance | Geolocated, calibrated solar backscattered radiances | 2.0×4.75 | Hourly, Granule | |
| Twilight radiance (City lights) | Geolocated, calibrated twilight radiances | 2.0×4.75 | Variable, Granule | |
| L2 | Cloud | Cloud fraction, cloud pressure | 2.0×4.75 | Hourly, Granule |
| NO2 (Nitrogen dioxide) | Stratospheric & tropospheric vertical column density | 2.0×4.75 | ||
| HCHO (Formaldehyde) | Total vertical column density | 2.0×4.75 | ||
| Total O3 (Ozone) | Total column, Aerosol Index | 2.0×4.75 | ||
| O3 profile | Total, stratospheric, tropospheric, & 0-2 km column | 8.0×4.75 | ||
| L3 | Gridded L2 | Same products as L2 | ~2.0×2.0 |
Hourly, Scan |