New research reveals that fireworks leave a hidden trail of pollution in the air and water long after the final explosion.

July Fourth is one of the worst days of the year for air quality in the region, said Daniel B. Curtis, associate professor of chemistry and biochemistry at Cal State Fullerton. Curtis and his students ...

The Lake Union fireworks show starts around sundown and will feature nearly 8,500 pounds of fireworks this year. It’s known for a stellar musical score, enormous finale, and the heavy cloud of smoke ...

Fireworks displays emit a diverse range of chemical species into the atmosphere, including fine and coarse particulate matter (PM2.5 and PM10), metal-rich fragments and gaseous precursors. These ...