Radiation in the environment

We’re exposed to radiation all the time. Some of it is natural, and some of it is from technology such as radio signals. Not all radiation is harmful – find out when it’s dangerous and when it isn’t.

In this section

  • We’re exposed to natural radiation all the time, usually at very low levels. Natural radiation includes the sun’s rays, cosmic radiation, and radiation from soil and our own bodies. Read more
  • Radon is a natural radioactive gas. In some places overseas, radon is found in high levels – however, radon is only found in low levels in New Zealand. Read more
Back to top