AIRS Instrument

Measurements and Applications

High spectral resolution measurement of temperature and humidity profiles in the atmosphere. Long-wave Earth surface emissivity. Cloud diagnostics. Trace gas profiles. Surface temperatures.

Instrument Summary

Full Name
Atmospheric Infra-red Sounder
Status
Operational
Instrument Agencies
Maturity
Instrument Type
Atmospheric temperature and humidity sounders
Geometry
Cross-track scanning
Instrument Technology
Medium-resolution IR spectrometer
Sampling
Sounding
Data Access
Open Access
Data Format
HDF-EOS

Performance Summary

Resolution
1.1 degree (13 x 13 km at nadir)
[Best Resolution: 13000m]
Swath
+/-48.95 degrees
[Max Swath: 1650 km]
Accuracy
Humidity: 20%, Temperature: 1 K
Waveband
VIS - TIR: 0.4 - 1.7 µm, 3.4 - 15.4 µm, Has approximately 2382 bands from VIS to TIR
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)

Instrument Missions

Aqua - Aqua (formerly EOS PM-1) (2002 - 2026)

Instrument Measurements