HITRAN is an acronym for high-resolution transmission molecular absorption database. HITRAN is a compilation of spectroscopic parameters that a variety of computer codes use to predict and simulate the transmission and emission of light in the atmosphere.

  Citation Policy
  Tutorials
  @hitran

News

Mar 2025 |
36000 users milestone

Nov 2024 |
📢 HITRAN2024 edition will be released in the first half of 2025

Aug 2024 |
Call for papers for the HITRAN special issue in JQSRT (closing May 1, 2025).

Dec 2022 |
HITRAN now includes water vapor continuum model

Jul 2015 |
All inquiries can be made to HITRAN's support team at info@hitran.org

Database Updates

Jan 2025 |
An updated high-temperature carbon dioxide (CO2) line list for HITEMP 🏭🔥

Nov 2024 |
Update to the NO2 line list

Oct 2024 |
Expansion of the acetylene (C2H2) line list 👨‍🏭 🔥

Oct 2024 |
🌳🔥 Further update of the CH3CN line list

Aug 2024 |
🐉 🛸 Phosphine (PH3) line list extended up to 4763 cm-1

Aug 2024 |
Scaling intensities and the Einstein-A coefficients of the HCl bands in the NIR and visible

Jan 2024 |
S O Update of the SO line list

Dec 2023 |
MT_CKD water vapor continuum changes

Oct 2023 |
Update of the ethane broadening parameters

Jan 2023 |
🌳🔥 Update of the CH3CN line list

Aug 2022 |
♃ ♄ ♅ ♆🚀 Updated broadening parameters for CO2 and H2

May 2022 |
☔ H2O line list update above 4340 cm-1

Nov 2021 |
Lines of 16O3 in 850-980 cm-1 region restored

Oct 2021 |
📰 The updates to the HITRAN2020 edition will be announced in this section as they appear