Radon zones in Hawaii
Zone 1: 0, Zone 2: 0, Zone 3: 5. A zone is an area estimate; EPA says all homes should be tested.
- Hawaii County Zone 3
- Honolulu County Zone 3
- Kalawao County Zone 3
- Kauai County Zone 3
- Maui County Zone 3
County not listed? See what we left out and why. Leave your email to hear if this data changes.