Radon · ZIP 86001

Radon in Flagstaff, AZ

ZIP 86001 (Arizona) — radon summary sourced from EPA Radon Zones. Data lands this week as the EPA Radon Zones ingestion pipeline rolls out.

Last verified 2026-04-24 · methodology

What lands here

Pages show the county zone, what the classification means for home testing recommendations, and state-level supplementary data where available.

Source & refresh

EPA Radon Zones. Refreshed static 1993 baseline plus state-level supplementary updates. Stale data is flagged, never silently served. Primary source →

Limitations specific to this source

Radon is a regional indicator. Address-level radon measurement requires an at-home test kit (often free from state health departments).

Full dashboard for ZIP 86001

Radon is one of twelve dimensions zipradar federates per address. See the full federated summary for ZIP 86001:

Open Flagstaff, AZ dashboard →