RADRISK.COMRadiation Risk Navigator

Radon

Radon result interpreter

Enter a lab or device result to see how it lines up with common U.S. teaching bands (below 2, 2–below 4, and 4 pCi/L or above). Bq/m³ is converted using 1 pCi/L = 37 Bq/m³. This is educational—not a legal opinion, medical diagnosis, or replacement for your state radon program.

Unit
Tobacco smoke indoors (any current smoker in the home)?

Used only to add balanced context—your answer stays in this browser session unless you share it elsewhere.