| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
ABI
Advanced Baseline Imager | Operational
| Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index. | Multi-purpose imaging Vis/IR radiometer |  |
AIRS
Atmospheric Infra-red Sounder | Operational
| High spectral resolution measurement of temperature and humidity profiles in the atmosphere. Long-wave Earth surface emissivity. Cloud diagnostics. Trace gas profiles. Surface temperatures. | n/a | |
AMI
Advanced Meteorological Imager | Operational
| Continuous monitoring capability for the near real-time generation of high-resolution meteorological products and long-term change analysis of land/sea surface temperature and cloud coverage. | Multi-purpose imaging Vis/IR radiometer | |
FCI
Flexible Combined Imager | Operational
| Measurements of cloud cover, cloud top height, precipitation, cloud motion, vegetation, radiation fluxes, convection, air mass analysis, cirrus cloud discrimination, tropopause monitoring, stability monitoring, total ozone and sea surface temperature. | Multi-purpose imaging Vis/IR radiometer | |
HIRS/4
High Resolution Infra-red Sounder/4 | Operational
| Atmospheric temperature profiles and data on cloud parameters, humidity soundings, water vapour, total ozone content, and surface temperatures. Same as HIRS/3, with 10 km IFOV. | n/a | |
HSI-2 (HJ-2A)
Hyper Spectrum Imager 2 | Operational
| Hyperspectral measurements for environment and disaster management operations. | Multi-purpose imaging Vis/IR radiometer | |
IASI
Infrared Atmospheric Sounding Interferometer | Operational
+/-2 | Measures tropospheric moisture and temperature, column integrated contents of ozone, carbon monoxide, methane, nitrous oxide and other minor gases which affect tropospheric chemistry. Also measures sea surface and land temperature. | n/a | |
Imager
Imager | Operational
| Measures cloud cover, atmospheric radiance, winds, atmospheric stability, rainfall estimates. Used to provide severe storm warnings/ monitoring day and night (type, amount, storm features). | Multi-purpose imaging Vis/IR radiometer | |
IRAS
InfraRed Atmospheric Sounder | Operational
| Atmospheric sounding for weather forecasting. | n/a | |
MODIS
MODerate-Resolution Imaging Spectroradiometer | Operational
| Data on biological and physical processes on the surface of the Earth and in the lower atmosphere, and on global dynamics. Surface temperatures of land and ocean, chlorophyll fluorescence, land cover measurements, cloud cover (day and night). | n/a | |
MSU-GS
Multispectral scanning imager-radiometer | Operational
| Measurements of cloud cover, cloud top height, precipitation, cloud motion, albedo, vegetation, convection, air mass analysis, tropopause monitoring, stability monitoring, total ozone and surface temperature, fire detection. | Multi-purpose imaging Vis/IR radiometer | |
MSU-GS/VE
Multispectral scanning imager-radiometer | Operational
| Operational metrology, hydrology, climate monitoring and environmental monitoring | Multi-purpose imaging Vis/IR radiometer | |
SEVIRI
Spinning Enhanced Visible and Infra-Red Imager | Operational
| Measurements of cloud cover, cloud top height, precipitation, cloud motion, vegetation, radiation fluxes, convection, air mass analysis, cirrus cloud discrimination, tropopause monitoring, stability monitoring, total ozone and sea surface temperature. | Multi-purpose imaging Vis/IR radiometer | |
SGLI
Second-generation Global Imager | Operational
+/-3 | Medium resolution multi-spectral imaging of land, ocean and atmosphere. SGLI-VNR is an optical sensor capable of multi-channel nadir observation at wavelengths from near-UV to NIR and forward or backward polarization observation at red and near infrared wavelengths (Push-broom scanning). SGLI-IRS is an optical sensor capable of multi-channel nadir observation at wavelengths from SWIR to TIR wavelengths (Cross-track scanning). | n/a | |
GXI
GeoXO Imager | Being developed
| Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index. | Multi-purpose imaging Vis/IR radiometer | |
GXS
GeoXO Sounder | Being developed
| | n/a | |
IASI-NG
Infrared Atmospheric Sounding Interferometer - New Generation | Being developed
| Measures profiles of atmospheric temperature, humidity, ozone, carbon monoxide, columns of methane, nitrous oxide, and other minor gases, and sea, ice, and land surface temperature and emissivity. Provides information on aeorols and cloud: fractional coverage, phase, cloud top height (input to Polar AMVs) and particle size. Prime applications: NWP, AC/AQ, climate. Secondary applications: NWC, land/ocean surface monitoring. IASI-NG will resume IASI role as internationl standard for satellite inter-calibration (GSICS). | n/a | |
IRS
Infra-Red Sounder | Being developed
| Measurements of vertically resolved clear sky atmospheric motion vectors, temperature and water vapour profiles. | n/a | |