Radon at Home

The radioactive gas seeping up from the ground is the second-leading cause of lung cancer — and it's easy to test for and fix.

Reducing Radon: What Actually Works — From Free Fixes to Mitigation Systems

From the zero-cost quick win to a professionally installed mitigation system — which measures reliably lower indoor radon levels.

Testing for Radon: How to Find Out What's in Your Home's Air

A radon test costs little and takes minutes to set up. When to test, which devices exist, and how to read the results correctly.

What Is Radon — and Why Is It a Problem Indoors?

Radon is a natural radioactive gas from the ground. After smoking, it's the second-leading cause of lung cancer. Here's the short version of what you need to know.