Should I be worried about temporarily high radon levels?
Radon levels in a house can vary considerably over 24 hours, and will be
different depending on the day you take the measurement. However, if you
consider the possibility of being exposed to elevated radon levels over a 10 to
20 year period, then the risk of developing lung cancer increases. Therefore, don’t
worry about temporarily elevated radon levels just being above the limit value
of 2