29 August 2026

This week Allegheny County announced that all balloons and all sky lanterns are now banned in Allegheny County Parks (see list of parks this affects). Their decision includes both balloon releases and balloon decorations because balloons are always left behind — one way or another — when the party’s over. The policy was prompted by balloon litter but there are additional benefits.

Balloons always end badly. None of them are disposed of by those who release them. Balloons cause:

• Litter on the ground, stuck in trees, floating in the ocean as much as 10,000 miles away.
• Harm to livestock who eat spent balloons that became incorporated in hay bales.
• Harm to wildlife who mistake the balloon for food or get entangled in the strings.
• Power outages when mylar balloons get caught in wires.

The damage does not occur close to the release. Helium balloons travel far because they travel in the jet stream, easily traveling from Ohio to the Atlantic Ocean (example is at this link),

Helium balloons are thought to be able to reach a height of 10 km [32,800 ft] and can travel significant distances. In 2012, one launched in Derby, England, was found in Sydney, Australia, having travelled 10,000 miles.

— The Guardian: The dark side of the balloon boom – is it time they were banned?

… they harm wildlife and livestock through entanglement or ingestion …

… and they cause power failures.

Balloons never disappear. Foil (Mylar) and latex materials take 100s of years to disintegrate into micro and nanoplastic particles in water and soil.

Often the balloon ends up in the ocean. This video from Australia shows how even on a remote island, seabirds find spent balloons on the ocean surface, mistake them for seafood, and feed them to their young.

See this excellent video that includes an interview with a specialty balloon vendor –> What goes up must come down. The impacts of balloon releases.