radiation exposure during an intercontinental flight par bionerd23

during normal solar activity, radiation levels at 10-11 kilometers cruise altitude are about 2-3 uSv/h, which is 20 to 30 times the radiation you're exposed to on the ground. - thus, you get about the same dose as from 1-2 chest x-rays if you fly for 11 hours (but distributed to all of your body - not just the chest, of course). - however, wearing a lead apron to protect yourself would be pretty much useless, as the cosmic rays are of very high ...