HITRANonline

We are pleased to announce there are now over 42000 registered users of www.hitran.org

The new edition of the HITRAN database is now officially available on our server. The HITRAN2020paper describing the new edition is available in Open Access

I.E. Gordon, L.S. Rothman, R.J. Hargreaves, F.M. Gomez, T. Bertin, C. Hill, R.V. Kochanov, Y. Tan, P. Wcisło, V.Yu. Makhnev, P.F. Bernath, M. Birk, V. Boudon, A. Campargue, A. Coustenis, B.J. Drouin, R.R. Gamache, J.T. Hodges, D. Jacquemart, E.J. Mlawer, A.V. Nikitin, V.I. Perevalov, M. Rotger, S. Robert, J. Tennyson, G.C. Toon, H. Tran, V.G. Tyuterev, E.M. Adkins, A. Barbe, D.M. Bailey, K. Bielska, L. Bizzocchi, T.A. Blake, C.A. Bowesman, P. Cacciani, P. Čermák, A.G. Császár, L. Denis, S.C. Egbert, O. Egorov, A.Yu. Ermilov, A.J. Fleisher, H. Fleurbaey, A. Foltynowicz, T. Furtenbacher, M. Germann, E.R. Guest, J.J. Harrison, J.-M. Hartmann, A. Hjältén, S.-M. Hu, X. Huang, T.J. Johnson, H. Jóźwiak, S. Kassi, M.V. Khan, F. Kwabia-Tchana, T.J. Lee†, D. Lisak, A.-W. Liu, O.M. Lyulin, N.A. Malarich, L. Manceron, A.A. Marinina, S.T. Massie, J. Mascio, E.S. Medvedev, V.V. Meshkov, G.Ch. Mellau, M. Melosso, S.N. Mikhailenko, D. Mondelain, H.S.P. Müller, M. O'Donnell, A. Owens, A. Perrin, O.L. Polyansky, P.L. Raston, Z.D. Reed, M. Rey, C. Richard, G.B. Rieker, C. Röske, S.W. Sharpe, E. Starikova, N. Stolarczyk, A.V. Stolyarov, K. Sung, F. Tamassia, J. Terragni, V.G. Ushakov, S. Vasilchenko, B. Vispoel, K.L. Vodopyanov, G. Wagner, S. Wójtewicz, S.N. Yurchenko, N.F. Zobov, The HITRAN2024 molecular spectroscopic database. J. Quant. Spectrosc. Radiat. Transf. 109807 (2026).
doi:10.1016/j.jqsrt.2026.109807.]

==> Note that we are constantly making ongoing improvements and additions to many molecular bands. Updates, improvements, and corrections to the edition are posted in the "Database Updates" panel located on the home page of the HITRAN website. When citing the database, it is recommended to indicate whether an updated version of the HITRAN2024 edition was used.

Please e-mail us (info@hitran.org) a summary of any serious problems you encounter (or successes or suggestions).

The ASA - HITRAN 2026 will be held in Reims, France, from 26 – 28 August 2026. The first circular is available here.

The HITRAN support e-mail has been established and our team is ready for questions.

The data on this website corresponds to the HITRAN2024 edition. The updates to this edition will be announced in this section as they appear