You can't see radon. And you can't smell it or taste it.
But it may be a problem in your home.
EPA Citizen's Guide to Radon
IDPH Radon Information: testing, fixing, and finding certified contractors
Radon Resources: Helpful information, tools, and links to education courses and equipment retailers
Radon test kits are always aailable at the Webster County Health Department office. When free ones are not available, the cost is $10 per kit.