Map / Green Building & Sustainable Home Renovation Information & Advice

...maps - levels by State or Province Radon maps show where the risk of radon contamination in homes is the highest, But finding the local risk level on a radon map is not a clear indication of safe or dangerous levels of radon gas in a home. For example, below are official maps of the high-risk radon gas areas in the USA...

...maps are different than on others, and they can also indicate fairly abrupt changes from one climate to the other. Since that obviously isn’t how climates and weather patterns behave, if you fall anywhere near a climate zone boundary where it changes from one to another, have a look at a few different climate zone maps...