What Your Radon Level Means

A quick, level‑only interpretation of your radon result.

Place cursor on the blue ball and slide to select your radon level:

Your selected level: 4.0 pCi/L

048121620

EPA Action Level (4.0 pCi/L)

Low

0–1.9

Moderate

2.0–3.9

Elevated

4.0–7.9

High

8.0–14.9

Very High

15–20

Do any of these apply to your home?

Basement bedroom Child or elderly adult spends long hours downstairs Current smoker in the home Pet spends long hours in the basement Cancer survivor (lung cancer or chest radiation)