Articles | Volume 24, issue 8
https://doi.org/10.5194/acp-24-4973-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-4973-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Pyrogenic HONO seen from space: insights from global IASI observations
Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Université libre de Bruxelles (ULB), Brussels, Belgium
Lieven Clarisse
Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Université libre de Bruxelles (ULB), Brussels, Belgium
Nicolas Theys
Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium
Juliette Hadji-Lazaro
LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, France
Cathy Clerbaux
LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, France
Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Université libre de Bruxelles (ULB), Brussels, Belgium
Pierre Coheur
Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Université libre de Bruxelles (ULB), Brussels, Belgium
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Cited
13 citations as recorded by crossref.
- New line list for the ν4 bands of the trans (790.117 cm–1) and cis (851.943 cm–1) conformers of nitrous acid (HONO): Accurate positions and absolute intensities W. Betnga et al. https://doi.org/10.1016/j.jqsrt.2024.109082
- Nitrous Acid Formation in Wildfire Plumes: Implications for Atmospheric Oxidation and Ozone Pollution H. Zhang et al. https://doi.org/10.1021/acs.est.6c12013
- Heterogeneous reactions of nitrogen dioxide and guaiacol on indoor surface materials: surface adsorbed nitro-phenolic compound formation and gas-phase HONO yields K. Rojas García & V. Grassian https://doi.org/10.1039/D6EM00243A
- Transformer-Based Inverse Radiance Transfer Framework for Global Carbon Monoxide Retrieval Using Metop-B/IASI H. Hou et al. https://doi.org/10.1109/TGRS.2026.3725134
- New analysis of the ν 5 and ν 6 interacting bands of Trans- HONO and of the ν 6 band of Cis- HONO by high-resolution Fourier-transform spectroscopy in the 13–25 µm region A. Voute et al. https://doi.org/10.1080/00268976.2025.2561868
- Global atmospheric methanol emissions inferred from IASI satellite measurements and aircraft data J. Müller et al. https://doi.org/10.5194/acp-26-5375-2026
- 基于卫星超光谱观测的大气亚硝酸反演(特邀) 刘. Liu Fangbing et al. https://doi.org/10.3788/AOS251948
- Advancing Atmospheric Detection of Weakly Absorbing Reactive Trace Gases Using the FY-3E/HIRAS-II TIR Sounder on a Dawn–Dusk Orbit Z. Liang et al. https://doi.org/10.1021/acs.estlett.5c00501
- Systematically improved potential energy surfaces via sinNN models and sparse grid sampling A. Aerts https://doi.org/10.1063/5.0320172
- New investigation of the ν3 band of the trans-HONO near 7.9 µm: Accurate positions and absolute intensities A. Voute et al. https://doi.org/10.1016/j.jqsrt.2026.110079
- Evaluating the contribution of residential coal combustion to atmospheric nitrous acid (HONO) in winter Y. Wang et al. https://doi.org/10.1016/j.envpol.2025.126488
- Opinion: Beyond global means – novel space-based approaches to indirectly constrain the concentrations of and trends and variations in the tropospheric hydroxyl radical (OH) B. Duncan et al. https://doi.org/10.5194/acp-24-13001-2024
- A review of measurements and model simulations of atmospheric nitrous acid L. Wang et al. https://doi.org/10.1016/j.atmosenv.2025.121094
13 citations as recorded by crossref.
- New line list for the ν4 bands of the trans (790.117 cm–1) and cis (851.943 cm–1) conformers of nitrous acid (HONO): Accurate positions and absolute intensities W. Betnga et al. https://doi.org/10.1016/j.jqsrt.2024.109082
- Nitrous Acid Formation in Wildfire Plumes: Implications for Atmospheric Oxidation and Ozone Pollution H. Zhang et al. https://doi.org/10.1021/acs.est.6c12013
- Heterogeneous reactions of nitrogen dioxide and guaiacol on indoor surface materials: surface adsorbed nitro-phenolic compound formation and gas-phase HONO yields K. Rojas García & V. Grassian https://doi.org/10.1039/D6EM00243A
- Transformer-Based Inverse Radiance Transfer Framework for Global Carbon Monoxide Retrieval Using Metop-B/IASI H. Hou et al. https://doi.org/10.1109/TGRS.2026.3725134
- New analysis of the ν 5 and ν 6 interacting bands of Trans- HONO and of the ν 6 band of Cis- HONO by high-resolution Fourier-transform spectroscopy in the 13–25 µm region A. Voute et al. https://doi.org/10.1080/00268976.2025.2561868
- Global atmospheric methanol emissions inferred from IASI satellite measurements and aircraft data J. Müller et al. https://doi.org/10.5194/acp-26-5375-2026
- 基于卫星超光谱观测的大气亚硝酸反演(特邀) 刘. Liu Fangbing et al. https://doi.org/10.3788/AOS251948
- Advancing Atmospheric Detection of Weakly Absorbing Reactive Trace Gases Using the FY-3E/HIRAS-II TIR Sounder on a Dawn–Dusk Orbit Z. Liang et al. https://doi.org/10.1021/acs.estlett.5c00501
- Systematically improved potential energy surfaces via sinNN models and sparse grid sampling A. Aerts https://doi.org/10.1063/5.0320172
- New investigation of the ν3 band of the trans-HONO near 7.9 µm: Accurate positions and absolute intensities A. Voute et al. https://doi.org/10.1016/j.jqsrt.2026.110079
- Evaluating the contribution of residential coal combustion to atmospheric nitrous acid (HONO) in winter Y. Wang et al. https://doi.org/10.1016/j.envpol.2025.126488
- Opinion: Beyond global means – novel space-based approaches to indirectly constrain the concentrations of and trends and variations in the tropospheric hydroxyl radical (OH) B. Duncan et al. https://doi.org/10.5194/acp-24-13001-2024
- A review of measurements and model simulations of atmospheric nitrous acid L. Wang et al. https://doi.org/10.1016/j.atmosenv.2025.121094
Saved (final revised paper)
Latest update: 15 Oct 2026
Short summary
Using IASI global infrared measurements, we retrieve nitrous acid (HONO) in fire plumes from space. We detect large enhancements of pyrogenic HONO worldwide, especially from intense wildfires at Northern Hemisphere mid- and high latitudes. Predominance of IASI nighttime over daytime measurements sheds light on HONO's extended lifetime and secondary formation during long-range transport in smoke plumes. Our findings deepen the understanding of atmospheric HONO, crucial for air quality assessment.
Using IASI global infrared measurements, we retrieve nitrous acid (HONO) in fire plumes from...
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