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11 January 2026 79^th International Symposium on Molecular Spectroscopy will be held in University of Illinois at Urbana-Champaign, USA from 22 to 26 June, 2026
5 January 2026 All-Russian conference with international participation on enviromental observations, modeling and information systems, ENVIROMIS 2026, will be held in Novosibirsk, Russia from 29 June to 4 July, 2026
26 December 2025 The ASA-HITRAN 2026 will be held in Reims, France from 26 – 28 August 2026.
26 December 2025 The 27^th International Conference on Spectral Line Shapes will be held at the Luleå University of Technology in Luleå, Sweden from 9 – 14 August 2026
26 December 2025 The XXI^st Symposium on High Resolution Molecular Spectroscopy (HighRus-2026) will be held on 28 June – 3 July, 2026, in the town of Zelenogorsk near St. Petersburg, Russia
2 November 2023 The 17^th HITRAN Conference will take place 24-26 June 2024 at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts. The meeting is united with the 16^th ASA workshop.
17 April 2023 Updates 2022/2023 of the H₂O, CO₂, H₂, and CH₃CN line lists are available now.
12 January 2022 The spectral line parameters correspond to the HITRAN2020 version.
16 September 2021 ATTENTION! From March 1, 2022, this site will be available ONLY on the tsu.ru domain, but not on iao.ru. It is possible that these changes will occur later, but we cannot provide such a guarantee.
19 November 2019 Partition functions Q(T) of the ¹⁷O¹³C¹⁷O molecule are added to the database in the temperature range 1-1000 K (calculation by S. A. Tashkun, 2019)
19 March 2019 The updates 2018 of the HITRAN database for H₂O, CO₂, NO and COCl₂ are now available
5 December 2018 Special Issue of the Journal of Quantitative Spectroscopy and Radiative Transfer “In Honor of the Scientific Contributions of Vladimir Tyuterev and Bob Gamache” is now open for your submissions.
5 December 2018 The second announcement of the HighRus-2019 conference is now available.
13 July 2018 The HighRus-2019 website is now open. The first announcement is now available.
8 February 2018 The 25^th International Conference on High Resolution Molecular Spectroscopy will take place in Bilbao, Spain, September 3-7, 2018
7 February 2018 The 73^rd Meeting of International Symposium on Molecular Spectroscopy will be held in Champaign-Urbana, Illinois, USA, June 18-22, 2018
29 January 2018 15^th International HITRAN Conference (united with the 14^th ASA conference) will be held at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, June 13-15, 2018
28 December 2017 Line-by-line lists of the HITRAN2016 database are now available
28 February 2017 3^rd International Workshop “Spectroscopy and Dynamics of Ozone and Related Atmospheric Species” will be held in Reims, France on October 4-6, 2017
8 June 2016 Hitran on the Web 2.0 is released