NO2 Tropospheric Column Measurements Made by Earth Observation Satellites

CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS

Measurements > Atmosphere >
Trace gases (excluding ozone) >
NO2 Tropospheric Column

Measurement Definition*: 2D field of total amount of NO2 molecules per unit area in an atmospheric column extending from the Earth’s surface to the tropopause - Measuring Units molecules.cm-2, Uncertainty Units %

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ECV Precursors (supporting the Aerosol and Ozone ECVs)

Instrument	Status/ Accuracy	Instrument Description	Measurement Technology	Timeline
UVN (Sentinel-4) UV-visible- near infrared imaging spectrometer (Sentinel-4)	Being developed	Supporting atmospheric composition and air quality monitoring services.	n/a
UVNS (Sentinel-5) Ultra-violet Visible Near-infrared Shortwave-infrared spectrometer	Being developed	Supporting atmospheric composition and air quality monitoring services. Measurements of atmospheric trace gases, primarily O3, NO2, SO2, HCHO, CH4, CO, CHOCHO as well as Aerosols and UV Index.	n/a

* Description adapted from WMO.