A radon test kit collects radon gas or radioactive particles so they can be measured. This sample is used to estimate the total amount of radon in your home's air.

What does a radon test kit do?

Radon tests work by counting or tracking the amount of radon in the air. Charcoal devices absorb radon so that the radioactive particles can be counted at a lab for accurate radon level estimates. Alpha-track test kits have a plastic film that becomes marked by alpha particles that strike it.

Is a radon test worth it?

When you breathe air containing radon, you increase your risk of getting lung cancer. ... If you smoke and your home has high radon levels, your risk of lung cancer is especially high. You Should Test for Radon. Testing is the only way to find out your home's radon levels.