We send a microbiologist to collect 26 samples from five airports and four flights to find out. The samples were sent to a lab to estimate the total bacteria population per square inch. Surprisingly, it wasn't bathrooms but tray tables that topped the list as the dirtiest surface. Check out the other results below!
![Airline Hygiene Exposed: Where are the Dirtiest Places on a Plane? #Infographic Travel Airline Hygiene Exposed: Where are the Dirtiest Places on a Plane?](https://s-media-cache-ak0.pinimg.com/originals/20/09/05/2009052938a44510ee111c226ff8878b.jpg)
Infographic by: www.travelmath.com
![Airline Hygiene Exposed: Where are the Dirtiest Places on a Plane? #Infographic Travel Airline Hygiene Exposed: Where are the Dirtiest Places on a Plane?](https://s-media-cache-ak0.pinimg.com/originals/20/09/05/2009052938a44510ee111c226ff8878b.jpg)
Infographic by: www.travelmath.com