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 ...

The July Fourth holiday was a weekend of barbecues, time with family and fireworks displays by starlight. But the holiday also sparked something else: a question about the impacts of fireworks. For ...

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 ...