Saint Louis City Radon Information

Randy Maley
(573) 751-6160

The average national indoor radon level is 1.3 pCi/L. (What is a picocurie?)
The average indoor radon levels of Saint Louis City, as determined by radon test results from Air Chek, Inc, is 2.4 pCi/L

Results under 2 pCi/L    Results between 2 and 3.9 pCi/L    Results 4 pCi/L and above

Additional information about radon levels in Saint Louis City may be available through this website