Does Hiroshima Still Have Radiation?

The radiation in Hiroshima and Nagasaki today is on a par with the extremely low levels of background radiation (natural radioactivity) present anywhere on Earth. It has no effect on human bodies. ... Roughly 80% of all residual radiation was emitted within 24 hours.

How long will the radiation last in Hiroshima?

The atomic bomb that detonated over Hiroshima used Uranium-235, while the Nagasaki bomb had Plutonium-239. The half-life of U-235 is 700 million years, while that of Pu-239 is 24,000 years. In other words, once on the ground, they will be there for a very long time.

Is Hiroshima still uninhabitable?

Today, over 1.6 million people live and seem to be thriving in Hiroshima and Nagasaki, yet the Chernobyl exclusion zone, a 30 square kilometer area surrounding the plant, remains relatively uninhabited.