Scientists recently discovered strange radiation clouds in the stratosphere. Findings suggest that passengers and crew on commercial flights can be exposed to much higher radiation levels than they would normally be exposed to.
A study was done by research firm Space Environment Technologies, between 2013 and 2017. The source of these strange radiation clouds has not been determined as of yet.
Researchers stated that there seemed to be a different source of radiation contributing to these clouds other than the two previously known causes for such phenomena.
Those most affected by this, would be crew members, frequent fliers and fetuses in the first trimester of pregnancy.