Fireworks brighten the sky but dampen the view

Big pyrotechnic celebrations can cut visibility by 25 percent

Fireworks

EXPLOSIONS IN THE SKY   Spectacular firework displays and other pyrotechnics release large amounts of soot into the air that dangerously reduces visibility, new research finds.

Kashif Haque/Flickr (CC BY-NC-SA 2.0)

Fireworks light up the night sky, but they also fill it with visibility-reducing soot, researchers warn.