Step 1 — Have you tested your home for radon?

No, I haven’t tested yet Yes, I’ve already tested

Your next step: Start with testing.

Learn how to test with Radon Navigator™

Great — let’s understand your test.

Scroll to Step 2.

Step 2 — Was your test short‑term or long‑term?

Short‑term test Long‑term test I’m not sure

Short‑term tests can fluctuate. Scroll to Step 3 to interpret your number.

Long‑term tests give the clearest picture. Scroll to Step 3 to interpret your number.

Learn the difference between test types

Step 3 — What was your radon level?

0.0–2.0 pCi/L 2.1–3.9 pCi/L 4.0–7.9 pCi/L 8.0+ pCi/L I’m not sure

Low range. No mitigation needed.
Retest in 2–3 years.

See full interpretation

Borderline range. A second test or long‑term test is recommended.

See full interpretation

Elevated. Not an emergency. Retesting is recommended.

See full interpretation

High, but not an emergency. Confirm with a second or long‑term test.

See full interpretation

How to read your radon test result

Step 4 — Are you being pressured by a contractor?

Yes No

Stop. You don’t need to make a decision today.

How to avoid pressure tactics
Get one‑on‑one help

Great — continue with the recommended next step above.

Step 5 — Would you like one‑on‑one help?

Yes, I’d like help No, I’m good for now

Get one‑on‑one support

You’re all set. You can return to any step above at any time.