3 ms·
The relative humidity of air in an airplane is low, usually under 20%. Upper respiratory irritation is caused by more than just allergies.
by quickthrowman 6y ago
The relative humidity of air in an airplane is low, usually under 20%. Upper respiratory irritation is caused by more than just allergies.
- elhudy 6y agoThat's.... Something I've never even considered. Thank you for pointing that out. I wonder if the pressure difference adds to the irritation as well.