It s a matter of testing your home and taking steps to remediate, if necessary. Radon is a decay by-product of radium. Radium is present in low concentrations in most soils and rocks. It is a colorless, odorless, tasteless, radioactive gas. You can't see it, smell it, or taste it.
Radon lasts for several days before it begins to break down.
It has a half-life of 3.8 days. Radon is non-reactive chemically, so it does not get tied up in chemical compounds. This allows it to move freely from the soil to the atmosphere. Radon itself is not the major hazard to humans. The by-products that are formed when radon decays, are what damages the lungs.