Stoplights are hot spots for airborne pollution

Intersections expose drivers to 29 times as many harmful particles as the open road

car at an intersection

RED LIGHT, GREEN LIGHT  Drivers may spend only a tiny fraction of their time at stoplights, but that’s when they inhale a higher concentration of pollutants than when in motion.

Sara B./flickr (CC BY-NC 2.0)

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Health & Medicine

From the Nature Index

Paid Content