Jan 23, 2024 · Radon is an odorless and invisible radioactive gas that can lead to lung cancer. Radon can enter your home through construction joints, cavities and cracks inside walls, and sump pumps.

Mar 27, 2025 · It typically moves up through the ground to the air above and into your home through cracks and other holes in the foundation. Your home traps radon inside, where it can build up.

Jul 16, 2025 · Radon You can't see or smell radon, and it can build up inside homes, buildings and schools to dangerous levels. Exposure to high levels of radon can cause lung cancer. Learn about …

Radon (Rn) is a naturally occurring radioactive gas that comes from the breakdown of uranium in soil and may enter homes and buildings. Radon may concentrate indoors to unsafe levels and increases …

Radon is an invisible, odorless gas that results from the radioactive decay of uranium found naturally in soil, rock, and water. This naturally occurring radioactive gas seeps into our homes, infiltrating …

Jun 18, 2025 · Radon in a home is an invisible, odorless, and tasteless radioactive gas that seeps into buildings from the natural breakdown of uranium in soil, rock, and water. Prolonged exposure to …

Radon comes from the natural decay of uranium found in nearly all soils. Typically, radon moves up through the ground to the air above and into homes through cracks and other holes in the foundation.

Information about how radon gets into your home, how it affects you, and how to reduce it.

Radon is a cancer-causing, radioactive gas. You can’t see radon. And you can’t smell it or taste it. But it may be a problem in your home. Radon is estimated to cause many thousands of deaths each year. …

Oct 1, 1993 · Radon is an odorless, colorless, radioactive gas that is caused by the natural breakdown (radioactive decay) of materials that contain uranium. Radon can be found in high concentrations in …