Are Radon Levels Higher When It Rains. Answer 1 of 2. Here are a few of the reasons why.
With the HVAC set to ON and Rain the radon test passed half the time within each category lower barometric pressures tended toward higher radon levels Conclusions Rainier days resulted in higher radon levels as they were accompanied by lower barometric pressure as measured in the basement. Rainier days tend to result in noticeably higher radon levels. If high radon levels are found and the home has a private well call the Safe Drinking Water Hotline at 800 426-4791 for information on testing your water.
When you average the radon levels for the length of the test exposure typically 2 to 4 days the elevated radon levels during the rain period raises the overall average much less.
When you average the radon levels for the length of the test exposure typically 2 to 4 days the elevated radon levels during the rain period raises the overall average much less. There are two ways that heavy rain can raise radon levels. Normally quite a bit of it diffuses out o9f the ground. Test Location - A radon test should be performed in the lowest living level of a home since that is where the radon concentration is likely to be higher.
