Full Name UV-visible- near infrared imaging spectrometer (Sentinel-4) Status Proposed
Instrument Agencies ESA, COM Maturity
Instrument Type Atmospheric chemistry Geometry Push-broom scanning
Instrument Technology High-resolution nadir-scanning SW spectrometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Supporting atmospheric composition and air quality monitoring services.
Resolution Summary < 5 km at SSP, possibly relaxed to 50 km for wavelengths < 308 nm
Swath Summary FOV E-W: 30°W-45°E @ 40°N, N-S: 30°N-65°N
Accuracy Summary TBD
Waveband Summary UV-1: 290 - 308 nm, UV-2: 308 - 400 nm, VIS: 400 - 500 nm, NIR: 750 - 775 nm
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
AerosolsAerosol optical depth (column/profile)
Aerosol absorption optical depth (column/profile)
Cloud type, amount and cloud top temperatureCloud top height
OzoneO3 Mole Fraction
Trace gases (excluding ozone)NO2 Mole Fraction
BrO (TC)
SO2 Mole Fraction
HCHO Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Aerosols properties click here click here search ECV Inventory records
Ozone click here click here search ECV Inventory records
Instrument Missions
Sentinel-4 A - Sentinel-4 A (2024 - 2033)
Sentinel-4 B - Sentinel-4 B (2032 - 2041)