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Global Chemical Composition of Ambient Fine Particulate Matter for Exposure Assessment
Open accessAbstract
Epidemiologic and health impact studies are inhibited by the paucity of global, long-term measurements of the chemical composition of fine particulate matter. We inferred PM2.5 chemical composition at 0.1° × 0.1° spatial resolution for 2004-2008 by combining aerosol optical depth retrieved from the MODIS and MISR satellite instruments, with coincident profile and composition information from the GEOS-Chem global chemical transport model. Evaluation of the satellite-model PM2.5 composition data set with North American in situ measurements indicated significant spatial agreement for secondary inorganic aerosol, particulate organic mass, black carbon, mineral dust, and sea salt. We found that global population-weighted PM2.5 concentrations were dominated by particulate organic mass (11.9 ± 7.3 μg/m(3)), secondary inorganic aerosol (11.1 ± 5.0 μg/m(3)), and mineral dust (11.1 ± 7.9 μg/m(3)). Secondary inorganic PM2.5 concentrations exceeded 30 μg/m(3) over East China. Sensitivity simulations suggested that population-weighted ambient PM2.5 from biofuel burning (11 μg/m(3)) could be almost as large as from fossil fuel combustion sources (17 μg/m(3)). These estimates offer information about global population exposure to the chemical components and sources of PM2.5.
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Cited by
van Donkelaar, A., Martin, R. V., Brauer, M., Hsu, N. C., Kahn, R. A., Levy, R. C., Lyapustin, A., Sayer, A. M., & Winker, D. M. (2016) · Environmental Science & Technology · doi:10.1021/acs.est.5b05833 · Cited by 1,206
Self-citationStatus and characteristics of ambient PM2.5 pollution in global megacities
Cheng, Z., Luo, L., Wang, S., Wang, Y., Sharma, S., Shimadera, H., Wang, X., Bressi, M., de Miranda, R. M., Jiang, J., et al. (2016) · Environment International · doi:10.1016/j.envint.2016.02.003 · Cited by 393
Self-citationAir pollution and DNA methylation: effects of exposure in humans
Rider, C. F., & Carlsten, C. (2019) · Clinical Epigenetics · doi:10.1186/s13148-019-0713-2 · Cited by 363
Tracking Daily Concentrations of PM2.5 Chemical Composition in China since 2000
Liu, S., Geng, G., Xiao, Q., Zheng, Y., Liu, X., Cheng, J., & Zhang, Q. (2022) · Environmental Science & Technology · doi:10.1021/acs.est.2c06510 · Cited by 359
Self-citationvan Donkelaar, A., Martin, R. V., Spurr, R. J. D., & Burnett, R. T. (2015) · Environmental Science & Technology · doi:10.1021/acs.est.5b02076 · Cited by 266
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Metadata
- Authors
- Philip, S., Martin, R. V., van Donkelaar, A., Lo, J. W.-H., Wang, Y., Chen, D., Zhang, L., Kasibhatla, P. S., Wang, S., Zhang, Q., Lu, Z., Streets, D. G., Bittman, S., & Macdonald, D. J.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-11-06
- Volume
- 48
- Issue
- 22
- Pages
- 13060-13068
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W1966427227
- Cited by
- 213
- References
- 0
- FWCI
- 8.83
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Philip, S., Martin, R. V., van Donkelaar, A., Lo, J. W.-H., Wang, Y., Chen, D., Zhang, L., Kasibhatla, P. S., Wang, S., Zhang, Q., Lu, Z., Streets, D. G., Bittman, S., & Macdonald, D. J. (2014). Global Chemical Composition of Ambient Fine Particulate Matter for Exposure Assessment. Environmental Science & Technology. https://doi.org/10.1021/es502965b
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