SoCalEdison urges people to stop releasing mylar balloons into the sky, which can cause dangerous power outages after the balloons hit wires. June is prime time for mylar balloon explosions, due to all the graduation celebrations, SoCalEdison said.

Why are mylar balloons bad?

Beyond their pretty and shiny exterior, they can actually cause power outages. According to Safe Electricity, when mylar balloons touch a power line, this can cause a surge of electricity that short circuits equipment and can lead to outages and fires.

Are Mylar balloons a fire hazard?

Beyond disrupting electric service, mylar balloons that bump into power lines can pose a public safety risk and cause enormous damage from fires and downed lines. Helium-filled balloons also can stay aloft for as long as two weeks and float for miles.