Does Humidity Affect Radon

At a constant value of radon concentration, measured values have been found to increase linearly with increasing humidity, from 30% RH up to a value of ∼85% RH.

Does humidity make radon worse?

Radon readings have been known to go down when the outdoor wind speeds increase during periods of high humidity. … Radon is often higher inside homes during the fall and winter do to the home being closed and sealed to keep out the cold weather.

Does weather affect radon levels?

Certain types of weather can have a greater impact on your home’s radon levels. Wind and rain storms create the largest variables of radon levels when testing for radon gas. Rainier days tend to result in noticeably higher radon levels. This is because rainy days are often coupled with lower barometric pressure.