| 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 |  |
ETM+
Enhanced Thematic Mapper Plus | Operational
| Measures surface radiance and emittance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications. | 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 | |
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 | |
OLI
Operational Land Imager | Operational
| Measures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications. | n/a | |
OLI-2
Operational Land Imager 2 | Operational
| Measures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications. | n/a | |
SLSTR
Sea and Land Surface Temperature Radiometer | Operational
| Marine and land services. | n/a | |
TIRS
Thermal Infrared Sensor | Operational
| Measures longwave thermal infrared surface emittance, land cover state, and change. Used as multipurpose imagery for land applications. | n/a | |
TIRS-2
Thermal Infrared Sensor 2 | Operational
| Measures longwave thermal infrared surface emittance, land cover state, and change. Used as multipurpose imagery for land applications. TIRS-2 will adhere to the Landsat 8 TIRS instrument performance specifications but will be built to NASA Class-B instrument standards (including a 5-year design life). | n/a | |
VIIRS
Visible/Infrared Imager Radiometer Suite | Operational
| Global observations of land, ocean, and atmosphere parameters: cloud/weather imagery, sea-surface temperature, ocean colour, land surface vegetation indices. | Multi-purpose imaging Vis/IR radiometer | |
CWFMS
Canadian Wildland Fire Monitoring Sensor | Being developed
| Measurements are: Fire Radiative Power (FRP), hotspot locations, rate of spread, burned area mapping. Data products generated: 1) Fire maps, showing location, extent, and timing of forest fire events; 2) Fire characteristics, such as fire line intensity, rate of spread and fuel consumption; 3) Plume dynamics through smoke transport maps and plume heights; 4) Mass of carbon released into atmosphere. | Multi-purpose imaging Vis/IR radiometer | |
GEOXO Imager
GEO Extended Operations 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 | |
TIR
Thermal Infra Red | Approved
| | n/a | |
LandIS
Landsat Next Instrument Suite | Proposed
| Measures surface radiance, land cover state and change (e.g., vegetation type), and longwave termal infrared surface emittance. Used as multi-purpose imagery for land applications. | n/a | |