Find Radon Testers in Sioux City, Iowa
3 certified radon professionals found near Sioux City.
Radon Risk Level
EPA data for Sioux City area
Average indoor level8.5 pCi/L
0EPA action level: 4 pCi/L10+
Very high radon state — highest average in the nation. Testing is critical.
71% of homesin this state test above the EPA action level (4 pCi/L).
The EPA recommends all homes in high-radon states be tested regardless of construction type.