Datasets

2 datasets

Virginia Department of Health

VDH PUD Radon Test Results by Year and Locality

Extract of information on residential indoor air radon test results in Virginia. Results were voluntarily provided to the VDH’s Radon Program from 2016 to 2024. The dataset includes the number of test results received…

Updated Sep 1, 2026

Fairfax County

Radon Potential Areas

Areas of radon potential within Fairfax County. These are short-term test results from a study conducted by the Fairfax County Health Department during the winters of 1986-87 and 1987-88 found that radon levels above…

HTML
ArcGIS
CSV
ZIP
GeoJSON

Updated Oct 8, 2026