The Sentinel-5P Nitrous Acid (HONO) total vertical column product was developed for the monitoring of the daily global spatial and temporal distribution of this trace gas in the Earth's atmosphere.
Nitrous acid is a precursor of the hydroxyl radical in the atmosphere, which controls the degradation of greenhouse gases, contributes to photochemical smog and ozone production, and influences air quality.
The HONO processor is developed and maintained by BIRA.
Available resources:
| Algorithm Theoretical Basis Document (ATBD) |
| Product Readme File (PRF) |
| Product Format Specification (PFS) |
| Validation Report (VR) |
The dataset does not provide a full timeline and products for several orbits are known to be missing. Information about known acquisition gaps in the data can be found on the Sentinel Events Viewer.
Available product files can be selected and downloaded using the SpatioTemporal Asset Catalog (STAC) browser interface.
This browser interface does not currently support the more advanced search queries made possible by the STAC API. For that you will need to programmatically query the S5P-PAL STAC endpoint.
Questions regarding this service can be send to the S5P-PAL Support Team.
This service is provided as part of the Sentinel-5P Product Algorithm Laboratory (S5P-PAL) and contains modified Copernicus Sentinel data processed by S[&]T.
