Americans’ fervor for Fourth of July fireworks has some unfortunate side effects.
There’s a jump in fires, gruesome injuries and runaway pets spooked by the noise.
But there’s also a more widespread hazard from the yearly outburst of pyrotechnics: It spikes air pollution so sharply it becomes dangerous for everyone to breathe.
Independence Day and July 5 consistently have some of the worst air quality of the year. With so many fireworks going off at once, levels of fine-particle pollution — a stew of tiny, lung-damaging specks of toxic soot, smoke and ash known as PM2.5 — surge several times higher than federal health standards across Southern California, air monitoring data show.
Read the full story on LATimes.com.