"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." From @kelciemmorris.bsky.social via @stateline.org

Wildfire smoke is now the primary pollutant affecting pregnancy, study shows • New Hampshire BulletinA 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…newhampshirebulletin.com