Montana is famous for its geology. Our vast valleys and towering mountains are some of the reasons we love living here. However, because of that geology, more than 50 percent of the buildings and homes tested in Missoula contain dangerous levels of radon.
The good news is that testing for radon is easy. Inexpensive test kits can be obtained at the Missoula City-County Health Department. The test kits are easy to use and include instructions and a prepaid envelope for mailing to a lab for analysis.
Read more here