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2026

Rawat, P., Travis, K. R., Henderson, B., Crawford, J. H., Judd, L. M., Demetillo, M. A. G., Lee, T. C., Flittner, D. E., Szykman, J. J., Valin, L. C., Whitehill, A., Baumann, E., Hanisco, T. F., Pandey, A., Abad, G. G., Nowlan, C. R., Liu, X., and Chance, K.: Spatiotemporal Assessment of the TEMPO Formaldehyde Column Retrieval Using the Pandonia Global Network, JGR Atmospheres, 131, e2025JD044788, https://doi.org/10.1029/2025JD044788, 2026.

Park, J.-U., Lim, S., Hanisco, T. F., Abuhassan, N., Place, B. K., Pandey, A., Cede, A., Tiefengraber, M., Gebetsberger, M., Park, J., Choi, J., Crawford, J. H., Song, C.-K., and Kim, S.-W.: Global analysis of nitrogen dioxide and formaldehyde column densities from the Pandora global network: Variability and implications for satellite validation, Remote Sensing of Environment, 335, 115249, https://doi.org/10.1016/j.rse.2026.115249, 2026.

Cho, C., Franchin, A., Flocke, F., Lesko, K., Owen, C., Hall, S. R., Ullmann, K., Apel, E. C., Hills, A. J., Hornbrook, R. S., Roozitalab, B., Jeong, D., Diskin, G. S., Choi, Y., DiGangi, J. P., Miech, J., Wolfe, G. M., Hanisco, T. F., St. Clair, J. M., Liao, J., Delaria, E. R., Sebol, A., Hannun, R. A., Wennberg, P. O., Ball, K., Lee, Y. R., Huey, L. G., Tanner, D. J., Arterburn, L., Blake, D. R., Blake, N. J., Barletta, B., Meinardi, S., Min, K.-E., Kang, H., Nam, W., Wisthaler, A., Piel, F., Wojnowski, W., Dibb, J., and Crawford, J.: Insights on Ozone Formation Sensitivity in Southeast and East Asian Megacities during ASIA-AQ, https://doi.org/10.5194/egusphere-2025-6434, 8 January 2026.

2025

Jeong, D., Hornbrook, R. S., Hills, A. J., Diskin, G., Halliday, H. S., DiGangi, J. P., Fried, A., Richter, D., Walega, J., Weibring, P., Hanisco, T. F., Wolfe, G. M., St. Clair, J., Peischl, J., Wisthaler, A., Mikoviny, T., Nowak, J. B., Piel, F., Tomsche, L., Holmes, C. D., Soja, A., Gargulinski, E., Crawford, J. H., Dibb, J., Warneke, C., Schwarz, J., and Apel, E. C.: Trace Organic Gas Analyzer Time-of-Flight mass spectrometer (TOGA-TOF) system for airborne observations of formaldehyde, https://doi.org/10.5194/egusphere-2025-4703, 14 October 2025.

Chi, N. D. T., Tanimoto, H., Inomata, S., Fujinawa, T., Müller, A., Sugita, T., Kato, S., Kuze, N., Kanaya, Y., Fujiwara, M., Hirokawa, J., Takashima, H., Nagahama, T., Yamaji, K., Hirokawa, S., Kim, S.-W., Rawat, P., and Crawford, J. H.: Characterization of Pandora Sky-Scan Modes from the Japan Pandora Network and Evaluation of Their Use in Validating Satellite NO2 and HCHO Retrievals, ACS EST Air, 2, 2872–2888, https://doi.org/10.1021/acsestair.5c00223, 2025.

Dang, R., Jacob, D. J., Wang, H., Nowlan, C. R., Gonzalez Abad, G., Chong, H., Liu, X., Shah, V., Yang, L. H., Oak, Y. J., Marais, E. A., Horner, R. P., Rollins, A. W., Crawford, J. H., Li, K., and Liao, H.: High-resolution geostationary satellite observations of free tropospheric NO2 over North America and implications for lightning emissions, Proc. Natl. Acad. Sci. U.S.A., 122, e2510535122, https://doi.org/10.1073/pnas.2510535122, 2025.

Ferrare, R., Hair, J., Shingler, T., Hostetler, C., Nehrir, A., Fenn, M., Scarino, A. J., Burton, S., Clayton, M., Collins, J., Judd, L., Crawford, J., Travis, K., Toth, T., Saide, P., Jimenez, J. L., Campuzano-Jost, P., Symonds, G., Moore, R., Ziemba, L., Shook, M., Diskin, G., DiGangi, J. P., Bennett, R., Ho, C.-H., Chang, L.-S., Aiampisanuvong, A., and Pawarmart, I.: Particulate matter concentrations derived from airborne high spectral resolution lidar measurements using machine learning regression, Atmos. Meas. Tech., 18, 7735–7766, https://doi.org/10.5194/amt-18-7735-2025, 2025.

Fite, C. H., Kumar, A., Nowell, H. K., Travis, K. R., Robertson, K. M., Yokelson, R. J., Pierce, R. B., Ahmadov, R., Ferrada, G. A., Schmidt, C. C., Pereira, G., and Holmes, C. D.: The GOES Eastern United States Fire Emissions Inventory, JGR Atmospheres, 130, e2025JD043595, https://doi.org/10.1029/2025JD043595, 2025.

Travis, K. R., Nault, B. A., Crawford, J. H., Kim, H., Chen, Q., Zheng, Y., Liu, T., Jimenez, J. L., Campuzano-Jost, P., Wennberg, P. O., Crounse, J. D., and Huey, L. G.: Year-Round Analysis of Multiphase Sulfate Production in Aerosol Particles in East Asia, ACS EST Air, https://doi.org/10.1021/acsestair.5c00136, 2025.

Rawat, P., Crawford, J. H., Travis, K. R., Judd, L. M., Demetillo, M. A. G., Valin, L. C., Szykman, J. J., Whitehill, A., Baumann, E., and Hanisco, T. F.: Maximizing the scientific application of Pandora column observations of HCHO and NO2, Atmospheric Measurement Techniques, 18, 2899–2917, https://doi.org/10.5194/amt-18-2899-2025, 2025.

Demetillo, M. A. G., Judd, L. M., Travis, K. R., Crawford, J. H., Rawat, P., Hair, J. W., Fenn, M., Ferrare, R., Shingler, T., Sullivan, J. T., Walter, P., Flynn, J., and Griggs, T.: Observing Lower-Tropospheric Ozone Spatiotemporal Variability With Airborne Lidar and Surface Monitors in Houston, Texas, Journal of Geophysical Research: Atmospheres, 130, e2024JD042916, https://doi.org/10.1029/2024JD042916, 2025.

Yang, L. H. and Jacob, D. J. and Lin, H. and Dang, R. and Bates, K. H. and East, J. D. and Travis, K. R. and Pendergrass, D. C. and Murray, L. T. Assessment of Hydrogen’s Climate Impact Is Affected by Model OH Biases. Geophysical Research Letters, https://doi.org/10.1029/2024gl112445, 2025.

2024

Adachi, K., Dibb, J. E., Katich, J. M., Schwarz, J. P., Guo, H., Campuzano-Jost, P., Jimenez, J. L., Peischl, J., Holmes, C. D., and Crawford, J.: Occurrence, abundance, and formation of atmospheric tarballs from a wide range of wildfires in the western US, Atmospheric Chemistry and Physics, 24, 10985-11004, https://doi.org/10.5194/acp-24-10985-2024, 2024.

Chatterjee, D., Martin, R. V., Li, C., Zhang, D., Zhu, H., Henze, D. K., Crawford, J. H., Cohen, R. C., Lamsal, L. N., and Cede, A. M.: Interpreting summertime hourly variation of NO2 columns with implications for geostationary satellite applications, Atmospheric Chemistry and Physics, 24, 12687-12706, https://doi.org/10.5194/acp-24-12687-2024, 2024.

Gkatzelis, G. I., Coggon, M. M., Stockwell, C. E., Hornbrook, R. S., Allen, H., Apel, E. C., Bela, M. M., Blake, D. R., Bourgeois, I., Brown, S. S., Campuzano-Jost, P., St. Clair, J. M., Crawford, J. H., Crounse, J. D., Day, D. A., DiGangi, J. P., Diskin, G. S., Fried, A., Gilman, J. B., Guo, H., Hair, J. W., Halliday, H. S., Hanisco, T. F., Hannun, R., Hills, A., Huey, L. G., Jimenez, J. L., Katich, J. M., Lamplugh, A., Lee, Y. R., Liao, J., Lindaas, J., McKeen, S. A., Mikoviny, T., Nault, B. A., Neuman, J. A., Nowak, J. B., Pagonis, D., Peischl, J., Perring, A. E., Piel, F., Rickly, P. S., Robinson, M. A., Rollins, A. W., Ryerson, T. B., Schueneman, M. K., Schwantes, R. H., Schwarz, J. P., Sekimoto, K., Selimovic, V., Shingler, T., Tanner, D. J., Tomsche, L., Vasquez, K. T., Veres, P. R., Washenfelder, R., Weibring, P., Wennberg, P. O., Wisthaler, A., Wolfe, G. M., Womack, C. C., Xu, L., Ball, K., Yokelson, R. J., and Warneke, C.: Parameterizations of US wildfire and prescribed fire emission ratios and emission factors based on FIREX-AQ aircraft measurements, Atmos. Chem. Phys., 24, 929-956, https://doi.org/10.5194/acp-24-929-2024, 2024.

Goldberg, D. L., De Foy, B., Nawaz, M. O., Johnson, J., Yarwood, G., and Judd, L.: Quantifying NOx Emission Sources in Houston, Texas Using Remote Sensing Aircraft Measurements and Source Apportionment Regression Models, ACS EST Air, 1, 1391-1401, https://doi.org/10.1021/acsestair.4c00097, 2024.

Kim, K.-M., Kim, S.-W., Seo, S., Blake, D. R., Cho, S., Crawford, J. H., Emmons, L. K., Fried, A., Herman, J. R., Hong, J., Jung, J., Pfister, G. G., Weinheimer, A. J., Woo, J.-H., and Zhang, Q.: Sensitivity of the WRF-Chem v4.4 simulations of ozone and formaldehyde and their precursors to multiple bottom-up emission inventories over East Asia during the KORUS-AQ 2016 field campaign, Geoscientific Model Development, 17, 1931-1955, https://doi.org/10.5194/gmd-17-1931-2024, 2024.

Nault, B. A., Travis, K. R., Crawford, J. H., Blake, D. R., Campuzano-Jost, P., Cohen, R. C., DiGangi, J. P., Diskin, G. S., Hall, S. R., and Huey, L. G.: Using observed urban NOx sinks to constrain VOC reactivity and the ozone and radical budget in the Seoul Metropolitan Area, Atmospheric Chemistry and Physics, 24, 9573-9595, https://doi.org/10.5194/acp-24-9573-2024, 2024.

Rawat, P., Crawford, J. H., Travis, K. R., Judd, L. M., Demetillo, M. A. G., Valin, L. C., Szykman, J. J., Whitehill, A., Baumann, E., and Hanisco, T. F.: Maximizing the Use of Pandora Data for Scientific Applications, Atmospheric Measurement Techniques Discussions, 1-36, https://doi.org/10.5194/amt-2024-114, 2024.

Travis, K. R., Nault, B. A., Crawford, J. H., Bates, K. H., Blake, D. R., Cohen, R. C., Fried, A., Hall, S. R., Huey, L. G., Lee, Y. R., Meinardi, S., Min, K.-E., Simpson, I. J., and Ullman, K.: Impact of improved representation of volatile organic compound emissions and production of NOx reservoirs on modeled urban ozone production, Atmospheric Chemistry and Physics, 24, 9555-9572, https://doi.org/10.5194/acp-24-9555-2024, 2024.

Yang, L. H., Jacob, D. J., Dang, R., Oak, Y. J., Lin, H., Kim, J., Zhai, S., Colombi, N. K., Pendergrass, D. C., Beaudry, E., Shah, V., Feng, X., Yantosca, R. M., Chong, H., Park, J., Lee, H., Lee, W.-J., Kim, S., Kim, E., Travis, K. R., Crawford, J. H., and Liao, H.: Interpreting Geostationary Environment Monitoring Spectrometer (GEMS) geostationary satellite observations of the diurnal variation in nitrogen dioxide (NO2) over East Asia, Atmospheric Chemistry and Physics, 24, 7027-7039, https://doi.org/10.5194/acp-24-7027-2024, 2024.

2023

Nawaz, M. O., Johnson, J., Yarwood, G., de Foy, B., Judd, L., and Goldberg, D. L.: An intercomparison of satellite, airborne, and ground-level observations with WRF-CAMx simulations of NO2 columns over Houston, TX during the September 2021 TRACER-AQ campaign, EGUsphere, https://doi.org/10.5194/egusphere-2023-2844, 2023.

Park, M., Hu, H., Kim, Y., Fried, A., Simpson, I. J., Jin, H., Weinheimer, A., Huey, G., Crawford, J., and Woo, J.-H.: Evaluation of the emission inventory for large point emission sources in South Korea by applying measured data from the NASA/NIER KORUS-AQ aircraft field campaign, Elem Sci Anth, 11, 00105, https://doi.org/10.1088/1748-9326/ad039f, 2023.

Paton-Walsh, C., Subramanian, R., Crawford, J. H., Dawidowski, L., DeWitt, H. L., Emberson, L., Emmons, L., Garland, R. M., Kanaya, Y., and Mbandi, A.: The International Global Atmospheric Chemistry project comments on the revised WHO air quality guidelines, Environmental Research Letters, 18, 111001, https://doi.org/10.1088/1748-9326/ad039f, 2023.

Travis, K. R., Crawford, James. H., Soja, A. J., Gargulinski, E. M., Moore, R. H., Wiggins, E. B., Diskin, G. S., DiGangi, J. P., Nowak, J. B., Halliday, H., Yokelson, R. J., McCarty, J. L., Simpson, I. J., Blake, D. R., Meinardi, S., Hornbrook, R. S., Apel, E. C., Hills, A. J., Warneke, C., Coggon, M. M., Rollins, A. W., Gilman, J. B., Womack, C. C., Robinson, M. A., Katich, J. M., Peischl, J., Gkatzelis, G. I., Bourgeois, I., Rickly, P. S., Lamplugh, A., Dibb, J. E., Jimenez, J. L., Campuzano‐Jost, P., Day, D. A., Guo, H., Pagonis, D., Wennberg, P. O., Crounse, J. D., Xu, L., Hanisco, T. F., Wolfe, G. M., Liao, J., St. Clair, J. M., Nault, B. A., Fried, A., and Perring, A. E.: Emission Factors for Crop Residue and Prescribed Fires in the Eastern US During FIREX‐AQ, JGR Atmospheres, 128, e2023JD039309, https://doi.org/10.1029/2023JD039309, 2023.

Yang, L. H., Jacob, D. J., Colombi, N. K., Zhai, S., Bates, K. H., Shah, V., Beaudry, E., Yantosca, R. M., Lin, H., Brewer, J. F., Chong, H., Travis, K. R., Crawford, J. H., Lamsal, L. N., Koo, J.-H., and Kim, J.: Tropospheric NO2 vertical profiles over South Korea and their relation to oxidant chemistry: implications for geostationary satellite retrievals and the observation of NO2 diurnal variation from space, Atmos. Chem. Phys., 23, 2465-2481, https://doi.org/10.5194/acp-23-2465-2023, 2023.

2022

Brune, W. H., Miller, D. O., Thames, A. B., Brosius, A. L., Barletta, B., Blake, D. R., Blake, N. J., Chen, G., Choi, Y., Crawford, J. H., Digangi, J. P., Diskin, G., Fried, A., Hall, S. R., Hanisco, T. F., Huey, G. L., Hughes, S. C., Kim, M., Meinardi, S., Montzka, D. D., Pusede, S. E., Schroeder, J. R., Teng, A., Tanner, D. J., Ullmann, K., Walega, J., Weinheimer, A., Wisthaler, A., and Wennberg, P. O.: Observations of atmospheric oxidation and ozone production in South Korea, Atmospheric Environment, 269, 118854, https://doi.org/10.1016/j.atmosenv.2021.118854, 2022.

Lee, Y. R., Huey, L. G., Tanner, D. J., Takeuchi, M., Qu, H., Liu, X., Ng, N. L., Crawford, J. H., Fried, A., Richter, D., Simpson, I. J., Blake, D. R., Blake, N. J., Meinardi, S., Kim, S., Diskin, G. S., Digangi, J. P., Choi, Y., Pusede, S. E., Wennberg, P. O., Kim, M. J., Crounse, J. D., Teng, A. P., Cohen, R. C., Romer, P. S., Brune, W., Wisthaler, A., Mikoviny, T., Jimenez, J. L., Campuzano-Jost, P., Nault, B. A., Weinheimer, A., Hall, S. R., and Ullmann, K.: An investigation of petrochemical emissions during KORUS-AQ: Ozone production, reactive nitrogen evolution, and aerosol production, Elementa: Science of the Anthropocene, 10, 00079, https://doi.org/10.1525/elementa.2022.00079, 2022.

Schlosser, J. S., Stahl, C., Sorooshian, A., Le, Y. T.-H., Jeon, K.-J., Xian, P., Jordan, C. E., Travis, K. R., Crawford, J. H., Gong, S. Y., Shin, H.-J., Song, I.-H., and Youn, J.: Evidence of haze-driven secondary production of supermicrometer aerosol nitrate and sulfate in size distribution data in South Korea, Atmos. Chem. Phys., 22, 7505-7522, https://doi.org/10.5194/acp-22-7505-2022, 2022.

Travis, K. R., Judd, L. M., Crawford, J. H., Chen, G., Szykman, J., Whitehill, A., Valin, L. C., Spinei, E., Janz, S., Nowlan, C. R., Kwon, H., Fried, A., and Walega, J.: Can Column Formaldehyde Observations Inform Air Quality Monitoring Strategies for Ozone and Related Photochemical Oxidants?, JGR Atmospheres, 127, https://doi.org/10.1029/2022JD036638, 2022a.

Travis, K. R., Crawford, J. H., Chen, G., Jordan, C. E., Nault, B. A., Kim, H., Jimenez, J. L., Campuzano-Jost, P., Dibb, J. E., Woo, J.-H., Kim, Y., Zhai, S., Wang, X., McDuffie, E. E., Luo, G., Yu, F., Kim, S., Simpson, I. J., Blake, D. R., Chang, L., and Kim, M. J.: Limitations in representation of physical processes prevent successful simulation of PM2.5 during KORUS-AQ, Atmos. Chem. Phys., 22, 7933-7958, https://doi.org/10.5194/acp-22-7933-2022, 2022b.

2021

Khokhar, M. F., Anjum, M. S., Salam, A., Sinha, V., Naja, M., Tanimoto, H., Crawford, J. H., and Mead, M. I.: Countries of the Indo-Gangetic Plain must unite against air pollution, Nature, 598, 415-415, https://doi.org/10.1038/d41586-021-02829-4, 2021.

Mullendore, G. L., Barth, M. C., Klein, P. M., and Crawford, J. H.: Broadening impact of field campaigns: Integrating meteorological and chemical observations, Bulletin of the American Meteorological Society, 102, E464-E475, https://doi.org/10.1175/BAMS-D-19-0216.1, 2021.

Park, R. J., Oak, Y. J., Emmons, L. K., Kim, C.-H., Pfister, G. G., Carmichael, G. R., Saide, P. E., Cho, S.-Y., Kim, S., Woo, J.-H., Crawford, J. H., Gaubert, B., Lee, H.-J., Park, S.-Y., Jo, Y.-J., Gao, M., Tang, B., Stanier, C. O., Shin, S. S., Park, H. Y., Bae, C., and Kim, E.: Multi-model intercomparisons of air quality simulations for the KORUS-AQ campaign, Elementa: Science of the Anthropocene, 9, 00139, https://doi.org/10.1525/elementa.2021.00139, 2021.

Tang, W., Edwards, D. P., Emmons, L. K., Worden, H. M., Judd, L. M., Lamsal, L. N., Al-Saadi, J. A., Janz, S. J., Crawford, J. H., and Deeter, M. N.: Assessing sub-grid variability within satellite pixels over urban regions using airborne mapping spectrometer measurements, Atmospheric Measurement Techniques, 14, 4639-4655, https://doi.org/10.5194/amt-14-4639-2021, 2021.

Xu, L., Crounse, J. D., Vasquez, K. T., Allen, H., Wennberg, P. O., Bourgeois, I., Brown, S. S., Campuzano-Jost, P., Coggon, M. M., Crawford, J. H., DiGangi, J. P., Diskin, G. S., Fried, A., Gargulinski, E. M., Gilman, J. B., Gkatzelis, G. I., Guo, H., Hair, J. W., Hall, S. R., Halliday, H. A., Hanisco, T. F., Hannun, R. A., Holmes, C. D., Huey, L. G., Jimenez, J. L., Lamplugh, A., Lee, Y. R., Liao, J., Lindaas, J., Neuman, J. A., Nowak, J. B., Peischl, J., Peterson, D. A., Piel, F., Richter, D., Rickly, P. S., Robinson, M. A., Rollins, A. W., Ryerson, T. B., Sekimoto, K., Selimovic, V., Shingler, T., Soja, A. J., St. Clair, J. M., Tanner, D. J., Ullmann, K., Veres, P. R., Walega, J., Warneke, C., Washenfelder, R. A., Weibring, P., Wisthaler, A., Wolfe, G. M., Womack, C. C., and Yokelson, R. J.: Ozone chemistry in western U.S. wildfire plumes, Sci. Adv., 7, eabl3648, https://doi.org/10.1126/sciadv.abl3648, 2021.

Wiggins, E. B., Anderson, B. E., Brown, M. D., Campuzano‐Jost, P., Chen, G., Crawford, J., Crosbie, E. C., Dibb, J., DiGangi, J. P., Diskin, G. S., Fenn, M., Gallo, F., Gargulinski, E. M., Guo, H., Hair, J. W., Halliday, H. S., Ichoku, C., Jimenez, J. L., Jordan, C. E., Katich, J. M., Nowak, J. B., Perring, A. E., Robinson, C. E., Sanchez, K. J., Schueneman, M., Schwarz, J. P., Shingler, T. J., Shook, M. A., Soja, A. J., Stockwell, C. E., Thornhill, K. L., Travis, K. R., Warneke, C., Winstead, E. L., Ziemba, L. D., and Moore, R. H.: Reconciling Assumptions in Bottom‐Up and Top‐Down Approaches for Estimating Aerosol Emission Rates From Wildland Fires Using Observations From FIREX‐AQ, JGR Atmospheres, 126, e2021JD035692, https://doi.org/10.1029/2021JD035692, 2021.

Zhang, B., Liu, H., Crawford, J. H., Chen, G., Fairlie, T. D., Chambers, S., Kang, C.-H., Williams, A. G., Zhang, K., and Considine, D. B.: Simulation of radon-222 with the GEOS-Chem global model: emissions, seasonality, and convective transport, Atmospheric Chemistry and Physics, 21, 1861-1887, https://doi.org/10.5194/acp-21-1861-2021, 2021.