Wildfire smoke is now the primary pollutant affecting pregnancy, study shows

By: Kelcie Moseley-Morris

Outlets: Stateline

Published: July 31, 2026

Words: 595

Last Updated: 3 days, 6 hours ago

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A new study examining pollution levels across a 16-year span found that while general pollution levels from sources such as cars and industry have significantly declined, recent increases in wildfire smoke air pollution have offset those gains and could be contributing to negative outcomes for pregnant women and babies such as low birth weight and preterm births.

Published by Frontiers in Environmental Health, the study included data from about 64.5 million pregnancies between …

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