Datasets

FengYun satellite Atmospheric composition Infrared Retrieval (FY-AIR) data portal @ Peking University

Data Use Policy｜数据使用说明

For substantial use of the data in your study, please contact the project lead Zhao-Cheng Zeng (zczeng@pku.edu.cn) to offer co-authorship to the team. Prior to using this dataset, please reach out to us for more detailed information. A Python code for reading and plotting the data is also available.

若需在您的研究中使用本数据集，请联系团队负责人曾招城（zczeng@pku.edu.cn），获取关于数据的更详细信息，我们也可提供用于读取和绘制数据的Python代码，谢谢！

GIIRS Carbon Monoxide｜一氧化碳

GIIRS Ammonia｜氨气

  • Data link [Zenodo] for [July 2022 to June 2025]:

    • https://doi.org/10.5281/zenodo.17193848

  • User Guide:

    • UserGuide_FY4BGIIRS_NH3_Retrieval_v1.PDF

  • References:

    • Zeng, Z.-C.*, Lee, L., Qi, C., L. Clarisse, and M. Van Damme: Optimal estimation retrieval of tropospheric ammonia from the Geostationary Interferometric Infrared Sounder onboard FengYun-4B, Atmospheric Measurement Techniques, 16, 3693–3713, https://doi.org/10.5194/amt-16-3693-2023, 2023.

    Nadir Guendouz, Camille Viatte, Zhao-Cheng Zeng, et al. Monitoring atmospheric ammonia from geostationary orbit: contributions of GIIRS-B and IRS remote sensors. ESS Open Archive . September 12, 2025. https://doi.org/10.22541/essoar.175767134.49615241/v1

GIIRS Formic Acid｜甲酸

  • Data link [Zenodo] for [July 2022 to June 2023]:

    • https://doi.org/10.5281/zenodo.13328962

  • References:

    • Zeng, Z.-C.*, B. Franco, L. Clarisse, L. Lee, C. Qi, and F. Lu (2024), Observing a Volatile Organic Compound from a Geostationary Infrared Sounder: HCOOH from FengYun-4B/GIIRS, JGR-Atmosphere, 129, e2024JD041352. https://doi.org/10.1029/2024JD041352.

GIIRS Ozone｜臭氧

  • Data link [Zenodo] for [December 2022 and March, June and September 2023]:

    • https://doi.org/10.5281/zenodo.14955105

  • References:

    • Liu, S., et al. + Z.-C. Zeng*, Observing the diurnal cycle of atmospheric ozone from the Geostationary Interferometric Infrared Sounder (GIIRS) on board FengYun-4B, Journal of Geophysical Research: Atmospheres, 130, e2024JD042292. https://doi.org/10.1029/2024JD042292

HIRAS Carbon Monoxide｜一氧化碳

  • Data link [Zenodo]:

    • Coming soon!

  • References:

    • Z.-C. Zeng* (2025), Global carbon monoxide and formic acid observed from FY-3E/HIRAS-II in a dawn-dusk sun-synchronous orbit, Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 333, https://doi.org/10.1016/j.jqsrt.2024.109336.

    Hua, J., et al. + Z.-C. Zeng*, Observing volatile organic compounds emitted from Canadian wildfires in 2023 from FengYun-3E/HIRAS-II in a dawn-dusk sun-synchronous orbit, Remote Sensing of Environment, 327, 114829, https://doi.org/10.1016/j.rse.2025.114829

HIRAS Ammonia｜氨气

  • Data link [Zenodo] for FY-3E/HIRAS-II FYLeoAIR NH3 retrievals in 2023 and 2024:

    • https://doi.org/10.5281/zenodo.18359451

  • Data link [Zenodo] for FY-3F/HIRAS-II FYLeoAIR NH3 retrievals in 2024:

    • https://doi.org/10.5281/zenodo.18366114

  • References:

    • Hua, J., Zhou, R., Sheng, M., and Zeng, Z.-C. (2026): Global and diurnal variations in tropospheric ammonia observed from a constellation of hyperspectral infrared sounders in three different LEO orbits, Atmospheric Measurement Techniques [accepted]. https://doi.org/10.5194/egusphere-2026-746

HIRAS Formic Acid｜甲酸

  • Data link [Zenodo] for selected North America Wildfires in 2023:

    • https://doi.org/10.5281/zenodo.15490285

  • References:

    • Hua, J., et al. + Z.-C. Zeng*, Observing carbon monoxide and volatile organic compounds from Canadian wildfires in 2023 from FengYun-3E/HIRAS-II in a dawn-dusk sun-synchronous orbit, Remote Sensing of Environment, 327, 114829, https://doi.org/10.1016/j.rse.2025.114829

HIRAS Ozone｜臭氧

  • Data link [Zenodo]:

    • Coming soon!

  • References:

HIRAS Sulfur Dioxide｜ 二氧化硫

  • Data link [Zenodo] For Ruang Volcanic Eruptions in April 2024:

    • https://doi.org/10.5281/zenodo.17239336

  • References:

    • Z.-C. Zeng*, L. Clarisse, B. Franco, et al. Volcanic Sulfur Dioxide Monitored from a Constellation of FengYun Hyperspectral Infrared Sounders in Dawn-dusk, Mid-morning, and Afternoon Sun-synchronous Orbits. Remote Sensing of Environment, Vol 331, 15 December 2025, 115057, https://doi.org/10.1016/j.rse.2025.115057