It's produced from the failure of uranium in dirt as well as rocks. It in some cases gets concentrated in residences built on dirt with all-natural uranium deposits. It can signs of radon in home go into buildings through fractures in floors or wall surfaces, construction joints, or spaces in structures around pumps, pipes or cables.
Does opening windows reduce radon?
Opening windows improves air circulation and ventilation, helping move radon out of the house and mixing radon-free outside air with indoor air. Opening basement windows helps reduce negative air pressure, diluting radon with clean outdoor air.