Selected publications featuring TROPOMI formaldehyde (HCHO) data and processing:

2026

  • Massager, H., Clarisse, L., Franco, B., De Smedt, I., Vu Van, A., Clerbaux, C., Coheur, P.-F., and Bauduin, S.: Large-scale episodic ethylene releases observed from the West Ethylene Pipeline in Iran, Environmental Science & Technology Letters, 2026, https://doi.org/10.1021/acs.estlett.6c00014
  • Sfendla, Y., Stavrakou, T., Müller, J.-F., Oomen, G.-M., Opacka, B., Danckaert, T., De Smedt, I., and Lerot, C.: Global VOC emissions quantified from inversion of TROPOMI spaceborne formaldehyde and glyoxal data, Atmospheric Chemistry and Physics, 26, 733–767, 2026, https://doi.org/10.5194/acp-26-733-2026
  • Shen, J., Kaiser, J., and Jin, X.: Fire-driven formaldehyde enhancement and population health burden revealed by TROPOMI in the contiguous U.S., Environmental Research Letters, 2026, https://doi.org/10.1088/1748-9326/ae3788

  • Souri, A. H., González Abad, G., Duncan, B. N., and Oman, L. D.: Beyond binary maps from HCHO∕NO2: a deep neural network approach to global daily mapping of net ozone production rates and sensitivities constrained by satellite observations (2005–2023), Atmos. Chem. Phys., 26, 809–837, https://doi.org/10.5194/acp-26-809-2026, 2026.

  • van Herpen, M. M., De Smedt, I., Meidan, D., et al.: Satellite quantification of enhanced methane oxidation applied to the stratospheric plume following Hunga Tonga–Hunga Ha’apai eruption, Nature Communications, 17, 3746, 2026, https://doi.org/10.1038/s41467-026-72191-4

2025

  • Fan, J., Yu, C., Li, Y., Zhang, Y., Fan, M., Tao, J., and Chen, L.: Comparison of FNR and GNR based on TROPOMI satellite data for ozone sensitivity analysis in Chinese urban agglomerations, Remote Sensing, 17(19), 3321, 2025, https://doi.org/10.3390/rs17193321
  • Fu, W., Zhu, L., Kwon, H.-A., Park, R. J., Lee, G. T., De Smedt, I., et al.: Evaluating GEMS HCHO retrievals with TROPOMI product, Pandora observations, and GEOS-Chem simulations, Earth and Space Science, 12, e2024EA003894, 2025, https://doi.org/10.1029/2024EA003894
  • Lin, M., Horowitz, L. W., Xie, Y., and De Smedt, I.: Compound drivers of rising ozone extremes in the North China Plain (2013–2023): aerosol decline, hot droughts, afforestation-driven BVOCs, and reduced vegetation uptake, Journal of Geophysical Research: Atmospheres, 130, e2025JD044764, 2025, https://doi.org/10.1029/2025JD044764
  • Lin, M., Xie, Y., De Smedt, I., and Horowitz, L. W.: Ozone pollution extremes in Southeast China exacerbated by reduced uptake by vegetation during hot droughts, Geophysical Research Letters, 52, e2025GL114934, 2025, https://doi.org/10.1029/2025GL114934
  • Opacka, B., Stavrakou, T., Müller, J.-F., De Smedt, I., van Geffen, J., Marais, E. A., Horner, R. P., Millet, D. B., Wells, K. C., and Guenther, A. B.: Natural emissions of VOC and NOx over Africa constrained by TROPOMI HCHO and NO₂ data using the MAGRITTEv1.1 model, Atmospheric Chemistry and Physics, 25, 2863–2894, 2025, https://doi.org/10.5194/acp-25-2863-2025

  • Wang, D., Pu, D., De Smedt, I., Zhu, L., Yang, X., Sun, W., Xia, H., Song, Z., Li, X., Li, J., Zhang, A., Feng, X., Chen, Y., Yang, X., Fu, T.-M., and Wang, J.: Evolution of global O₂–NOx–VOCs sensitivity before and after the COVID-19 from the ratio of formaldehyde to NO₂ from satellite observations, Journal of Environmental Sciences, 156, 102–113, 2025, https://doi.org/10.1016/j.jes.2024.07.029

  • Zhang, Y., Yu, H., De Smedt, I., Lin, J., Theys, N., Van Roozendael, M., Pinardi, G., Compernolle, S., Ni, R., Ren, F., Wang, S., Chen, L., Van Geffen, J., Liu, M., Cede, A. M., Tiefengraber, M., Merlaud, A., Friedrich, M. M., Richter, A., Piters, A., Kumar, V., Sinha, V., Wagner, T., Choi, Y., Takashima, H., Kanaya, Y., Irie, H., Spurr, R., Sun, W., and Fabris, L.: Global retrieval of TROPOMI tropospheric HCHO and NO₂ columns with improved consistency based on the updated Peking University OMI NO₂ algorithm, Atmospheric Measurement Techniques, 18, 1561–1589, 2025, https://doi.org/10.5194/amt-18-1561-2025

2024

  • Feng, S., Jiang, F., Qian, T., Wang, N., Jia, M., Zheng, S., Chen, J., Ying, F., and Ju, W.: Constraining non-methane VOC emissions with TROPOMI HCHO observations: impact on summertime ozone simulation in August 2022 in China, Atmospheric Chemistry and Physics, 24, 7481, 2024, https://doi.org/10.5194/acp-24-7481-2024
  • Hoque, H. M. S., Sudo, K., Irie, H., He, Y., and Khan, M. F.: Evaluating CHASER v4.0 global formaldehyde simulations using satellite, aircraft, and ground-based remote-sensing observations, Geoscientific Model Development, 17(14), 5545–5571, 2024, https://doi.org/10.5194/gmd-17-5545-2024
  • Lee, G. T., Park, R. J., Kwon, H.-A., Ha, E. S., Lee, S. D., Shin, S., Ahn, M.-H., Kang, M., Choi, Y.-S., Kim, G., Lee, D.-W., Kim, D.-R., Hong, H., Langerock, B., Vigouroux, C., Lerot, C., Hendrick, F., Pinardi, G., De Smedt, I., Van Roozendael, M., Wang, P., Chong, H., Cho, Y., and Kim, J.: First evaluation of the GEMS formaldehyde product against TROPOMI and ground-based column measurements during the in-orbit test period, Atmospheric Chemistry and Physics, 24, 4733–4749, 2024, https://doi.org/10.5194/acp-24-4733-2024
  • Li, X., Zhu, L., De Smedt, I., Sun, W., Chen, Y., Shu, L., et al.: Global temperature dependency of biogenic HCHO columns observed from space: interpretation of TROPOMI results using GEOS-Chem, Journal of Geophysical Research: Atmospheres, 129, e2024JD041784, 2024, https://doi.org/10.1029/2024JD041784
  • Pu, D., Zhu, L., Shen, H., De Smedt, I., et al.: Integrated satellite observations unravel the relationship between urbanization and anthropogenic non-methane volatile organic compound emissions globally, npj Climate and Atmospheric Science, 7, 125, 2024, https://doi.org/10.1038/s41612-024-00683-5
  • Pye, H. O. T., et al.: Role of chemical production and depositional losses on formaldehyde in the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM), Atmospheric Chemistry and Physics, 24, 12903–12924, 2024, https://doi.org/10.5194/acp-24-12903-2024

2023

  • Acdan, J. J. M., Holloway, T., Bindl, M., Harkey, M., Goldberg, D. L., and De Smedt, I.: Examining TROPOMI formaldehyde to nitrogen dioxide ratios to evaluate ozone sensitivity over the Lake Michigan region, Atmospheric Chemistry and Physics, 23, 7867–7886, 2023, https://doi.org/10.5194/acp-23-7867-2023
  • Lerot, C., Müller, J.-F., Theys, N., De Smedt, I., Stavrakou, T., and Van Roozendael, M.: Satellite evidence for glyoxal depletion in elevated fire plumes, Geophysical Research Letters, 50, e2022GL102195, 2023, https://doi.org/10.1029/2022GL102195
  • Oomen, G.-M., Müller, J.-F., Stavrakou, T., De Smedt, I., Blumenstock, T., Kivi, R., Makarova, M., Palm, M., Röhling, A., Té, Y., Vigouroux, C., Friedrich, M. M., Frieß, U., Hendrick, F., Merlaud, A., Piters, A., Richter, A., Van Roozendael, M., and Wagner, T.: Weekly-derived top-down VOC fluxes over Europe from TROPOMI HCHO data in 2018–2021, EGUsphere [preprint], 2023, https://doi.org/10.5194/egusphere-2023-1972
  • Souri, A. H., Johnson, M. S., Wolfe, G. M., Crawford, J. H., Fried, A., Wisthaler, A., Brune, W. H., Blake, D. R., Weinheimer, A. J., Verhoelst, T., Compernolle, S., Pinardi, G., Vigouroux, C., Langerock, B., Choi, S., Lamsal, L., Zhu, L., Sun, S., Cohen, R. C., Min, K.-E., Cho, C., Philip, S., Liu, X., and Chance, K.: Characterization of errors in satellite-based HCHO/NO2 tropospheric column ratios, Atmospheric Chemistry and Physics, 23, 1963–1987, 2023, https://doi.org/10.5194/acp-23-1963-2023
  • Yombo Phaka, R., Merlaud, A., Pinardi, G., Friedrich, M. M., Van Roozendael, M., Müller, J.-F., Stavrakou, T., De Smedt, I., Hendrick, F., Dimitropoulou, E., Bopili Mbotia Lepiba, R., Phuku Phuati, E., Djibi, B. L., Jacobs, L., Fayt, C., Mbungu Tsumbu, J.-P., and Mahieu, E.: Ground-based MAX-DOAS observations of NO₂ and HCHO at Kinshasa and comparisons with TROPOMI observations, Atmospheric Measurement Techniques, 16, 5029–5050, 2023, https://doi.org/10.5194/amt-16-5029-2023
  • Zuo, X., Sun, W., De Smedt, I., Li, X., Liu, S., Pu, D., et al.: Observing downwind structures of urban HCHO plumes from space: implications for NMVOC emissions, Geophysical Research Letters, 50, e2023GL106062, 2023, https://doi.org/10.1029/2023GL106062

2022

  • Freitas, A. D., and Fornaro, A.: Atmospheric formaldehyde monitored by TROPOMI satellite instrument throughout 2020 over São Paulo State, Brazil, Remote Sensing, 14(13), 3032, 2022, https://doi.org/10.3390/rs14133032
  • Goldberg, D. L., Harkey, M., de Foy, B., Judd, L., Johnson, J., Yarwood, G., and Holloway, T.: Evaluating NOx emissions and their effect on O3 production in Texas using TROPOMI NO2 and HCHO, Atmospheric Chemistry and Physics, 22(16), 10875–10900, 2022, https://doi.org/10.5194/acp-22-10875-2022
  • Levelt, P. F., Stein Zweers, D. C., Aben, I., Bauwens, M., Borsdorff, T., De Smedt, I., Eskes, H. J., Lerot, C., Loyola, D. G., Romahn, F., Stavrakou, T., Theys, N., Van Roozendael, M., Veefkind, J. P., and Verhoelst, T.: Air quality impacts of COVID-19 lockdown measures detected from space using Sentinel-5P/TROPOMI, Atmospheric Chemistry and Physics, 22, 10319–10351, 2022, https://doi.org/10.5194/acp-22-10319-2022
  • Ren, J., Guo, F., and Xie, S.: Diagnosing ozone–NOx–VOC sensitivity and revealing causes of ozone increases in China based on 2013–2021 satellite retrievals, Atmospheric Chemistry and Physics, 22, 15035–15047, 2022, https://doi.org/10.5194/acp-22-15035-2022
  • Zhao, T., Mao, J., Simpson, W. R., De Smedt, I., Zhu, L., Hanisco, T. F., Wolfe, G. M., St. Clair, J. M., González Abad, G., Nowlan, C. R., Barletta, B., Meinardi, S., Blake, D. R., Apel, E. C., and Hornbrook, R. S.: Source and variability of formaldehyde (HCHO) at northern high latitudes: an integrated satellite, aircraft, and model study, Atmospheric Chemistry and Physics, 22, 7163–7178, 2022, https://doi.org/10.5194/acp-22-7163-2022

2021

  • De Smedt, I., Pinardi, G., Vigouroux, C., Compernolle, S., Bais, A., Benavent, N., Boersma, F., Chan, K.-L., Donner, S., Eichmann, K.-U., Hedelt, P., Hendrick, F., Irie, H., Kumar, V., Lambert, J.-C., Langerock, B., Lerot, C., Liu, C., Loyola, D., Piters, A., Richter, A., Rivera Cárdenas, C., Romahn, F., Ryan, R. G., Sinha, V., Theys, N., Vlietinck, J., Wagner, T., Wang, T., Yu, H., and Van Roozendael, M.: Comparative assessment of TROPOMI and OMI formaldehyde observations and validation against MAX-DOAS measurements, Atmospheric Chemistry and Physics, 21, 12561–12593, 2021, https://doi.org/10.5194/acp-21-12561-2021
  • Franco, B., Blumenstock, T., Cho, C., Clarisse, L., Clerbaux, C., Coheur, P.-F., De Mazière, M., De Smedt, I., Dorn, H.-P., Emmerichs, T., Fuchs, H., Gkatzelis, G., Griffith, D. W. T., Gromov, S., Hannigan, J. W., Hase, F., Hohaus, T., Jones, N., Kerkweg, A., Kiendler-Scharr, A., Lutsch, E., Mahieu, E., Novelli, A., Ortega, I., Paton-Walsh, C., Pommier, M., Pozzer, A., Reimer, D., Rosanka, S., Sander, R., Schneider, M., Strong, K., Tillmann, R., Van Roozendael, M., Vereecken, L., Vigouroux, C., Wahner, A., and Taraborrelli, D.: Ubiquitous atmospheric production of organic acids mediated by cloud droplets, Nature, 593, 233–237, 2021, https://doi.org/10.1038/s41586-021-03462-x
  • Stavrakou, T., Müller, J.-F., Bauwens, M., Doumbia, T., Elguindi, N., Darras, S., Granier, C., De Smedt, I., Lerot, C., Van Roozendael, M., Franco, B., Clarisse, L., Clerbaux, C., Coheur, P.-F., Liu, Y., Wang, T., Shi, X., Gaubert, B., Tilmes, S., and Brasseur, G.: Atmospheric impacts of COVID-19 on NOx and VOC levels over China based on TROPOMI and IASI satellite data and modeling, Atmosphere, 12, 946, 2021, https://doi.org/10.3390/atmos12080946
  • Sun, W., Zhu, L., De Smedt, I., Bai, B., and Pu, D.: Global significant changes in formaldehyde (HCHO) columns observed from space at the early stage of the COVID-19 pandemic, Geophysical Research Letters, 2021, https://doi.org/10.1029/2020GL091265

2020

  • Alvarado, L. M. A., Richter, A., Vrekoussis, M., Hilboll, A., Hedegaard, A. B. K., Schneising, O., and Burrows, J. P.: Unexpected long-range transport of glyoxal and formaldehyde observed from the Copernicus Sentinel-5P satellite during the 2018 Canadian wildfires, Atmos. Chem. Phys., 20, 2057–2072, 2020. https://doi.org/10.5194/acp-20-2057-2020
  • Chan, K.-L., Wiegner, M., van Geffen, J., De Smedt, I., Alberti, C., Cheng, Z., Ye, S., and Wenig, M.: MAX-DOAS measurements of tropospheric NO₂ and HCHO in Munich and comparison with OMI and TROPOMI, Atmospheric Measurement Techniques, 13, 4499–4520, 2020, https://doi.org/10.5194/amt-13-4499-2020
  • Vigouroux, C., Langerock, B., Bauer Aquino, C. A., Blumenstock, T., Cheng, Z., De Mazière, M., De Smedt, I., Grutter, M., Hannigan, J. W., Jones, N., Kivi, R., Loyola, D., Lutsch, E., Mahieu, E., Makarova, M., Metzger, J.-M., Morino, I., Murata, I., Nagahama, T., Notholt, J., Ortega, I., Palm, M., Pinardi, G., Röhling, A., Smale, D., Stremme, W., Strong, K., Sussmann, R., Té, Y., Van Roozendael, M., Wang, P., and Winkler, H.: TROPOMI formaldehyde validation using ground-based FTIR stations, Atmospheric Measurement Techniques, 13, 3751–3767, 2020, https://doi.org/10.5194/amt-13-3751-2020

2018

  • De Smedt, I., Theys, N., Yu, H., Danckaert, T., Lerot, C., Compernolle, S., Van Roozendael, M., Richter, A., Hilboll, A., Peters, E., Pedergnana, M., Loyola, D., Beirle, S., Wagner, T., Eskes, H., Van Geffen, J., Boersma, K. F., and Veefkind, P.: Algorithm theoretical baseline for formaldehyde retrievals from S5P TROPOMI, Atmospheric Measurement Techniques, 11, 2395–2426, 2018, https://doi.org/10.5194/amt-11-2395-2018