The radon in a home is relatively constant. A 2-day test gives you a adequate measure of the radon in your home.
Radon only affects people who smoke.
Radon is only a problem for houses built on or near bedrock. Radon is not a problem for homes in heavy,wet clay soils. Radon is not much of a risk compared to other environmental pollutants or dangers at home. You can't do much to protect yourself from radon . Most houses near me don't have any radon, so mine won't either. .