Wildfires now the dominant contributor to unhealthy levels of air pollution for pregnant women in the US

AI Summary

New research from the U.S. reveals that wildfires are the primary contributor to unhealthy air pollution levels affecting pregnant women nationally, highlighting significant health risks due to prenatal exposure to PM2.5.

Wildfires are well-known health risks. Now, in a new Frontiers in Environmental Health study, researchers in the U.S. have—for the first time—evaluated how prenatal PM2.5 exposure has changed over space and time on a national scale and what role wildfires play in shaping these trends.