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. 2021 Sep 1;5(9):e2021GH000451. doi: 10.1029/2021GH000451

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© 2021 The Authors. This article has been contributed to by US Government employees and their work is in the public domain in the USA.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Illustration of general spatio‐temporal coverage of various air pollution monitoring technologies. Figure 1 from Cromar et al. (2019) (Reprinted with permission of the American Thoracic Society. Copyright © 2020 American Thoracic Society. All rights reserved. Cite: Cromar, K. R., Duncan, B. N., Bartonova, A., Benedict, K., Brauer, M., Habre, R., Hagler, G. S. W., Haynes, J. A., Khan, Sean, Kilaru, V., Liu Y., Pawson, S., Peden, D. B., Quint, J. K., Rice, M. B., Sasser, E. N., Seto, E., Stone, S. L., Thurston, G. D., and Volkens, J. (2019), Air Pollution Monitoring for Health Research and Patient Care: An American Thoracic Society Workshop Report. Annals of the American Thoracic Society, 16, 10, https://doi.org/10.1513/AnnalsATS.201906-477ST. Annals of the American Thoracic Society is an official journal of the American Thoracic Society).