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Review
. 2025 May 16;11(20):eady0890.
doi: 10.1126/sciadv.ady0890. Epub 2025 May 14.

The cost of clean air: Global disparities in reducing indoor wildfire-related PM2.5 exposure

Affiliations
Review

The cost of clean air: Global disparities in reducing indoor wildfire-related PM2.5 exposure

Jing Li et al. Sci Adv. .

Abstract

Using air purifiers to reduce indoor exposure to wildfire-related PM2.5 is effective but costly, placing a disproportionately higher financial burden on low-income countries.

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Figures

Fig. 1.
Fig. 1.. Comparison of the per capita costs for reducing indoor exposure to fire-PM2.5 between low-income and high-income countries.
The number of coins symbolizes the cost of indoor fire-PM2.5 mitigation, while the scale tray size indicates the gross national income levels in low- and high-income countries. Illustration credit: Ashley Mastin/Science Advances.

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References

    1. Xu R., Ye T., Yue X., Yang Z., Yu W., Zhang Y., Bell M. L., Morawska L., Yu P., Zhang Y., Wu Y., Liu Y., Johnston F., Lei Y., Abramson M. J., Guo Y., Li S., Global population exposure to landscape fire air pollution from 2000 to 2019. Nature 621, 521–529 (2023). - PMC - PubMed
    1. Connolly R., Marlier M. E., Garcia-Gonzales D. A., Wilkins J., Su J., Bekker C., Jung J., Bonilla E., Burnett R. T., Zhu Y., Jerrett M., Mortality attributable to PM2.5 from wildland fires in California from 2008 to 2018. Sci. Adv. 10, eadl1252 (2024). - PMC - PubMed
    1. Wegesser T. C., Pinkerton K. E., Last J. A., California wildfires of 2008: Coarse and fine particulate matter toxicity. Environ. Health Perspect. 117, 893–897 (2009). - PMC - PubMed
    1. Aguilera R., Corringham T., Gershunov A., Benmarhnia T., Wildfire smoke impacts respiratory health more than fine particles from other sources: Observational evidence from Southern California. Nat. Commun. 12, 1493 (2021). - PMC - PubMed
    1. Liang Y., Sengupta D., Campmier M. J., Lunderberg D. M., Apte J. S., Goldstein A. H., Wildfire smoke impacts on indoor air quality assessed using crowdsourced data in California. Proc. Natl. Acad. Sci. U.S.A. 118, e2106478118 (2021). - PMC - PubMed