This Is Officially the Dirtiest, Most Germ-Ridden Surface on a Plane (Eww!)

If your standard airport routine involves dousing your hands in sanitizer the second you step out of the airplane bathroom, you are worrying about the entirely wrong part of the aircraft. While airplane restrooms definitely get a bad rap, a shocking report reveals that the absolute grossest, most bacteria-packed surface on a plane is actually sitting directly in front of you—and it’s exactly where you rest your inflight snacks.

According to a study by Travelmath, which sent a microbiologist to collect samples across multiple major airlines and airports, your tray table is the ultimate germ hot spot.

The study measured bacteria using Colony Forming Units (CFU) per square inch, and the results are enough to make you rethink eating that loose pretzel. The tray table rolled in with a staggering 2,155 CFU per square inch. To put that into perspective, that is nearly ten times dirtier than the airplane lavatory flush button.

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The Airport and Airplane Germ Power Ranking

While conventional wisdom tells us to watch out for the bathrooms, regular cleaning schedules mean those facilities are sanitized much more frequently. Because cabin crews are under immense pressure to quickly deplane and turn around arriving flights, tray tables are often only given a thorough wipe-down at the very end of the day.

Here is exactly how the germiest surfaces ranked across the study:

• Tray Table: 2,155 CFU/sq. in.
• Drinking Fountain Buttons (Airport): 1,240 CFU/sq. in.
• Overhead Air Vent: 285 CFU/sq. in.
• Lavatory Flush Button: 265 CFU/sq. in.
• Seatbelt Buckle: 230 CFU/sq. in.
• Bathroom Stall Locks: 70 CFU/sq. in.

Related: The Gross Reason You Should Never, Ever Do This One Thing on Planes

How to Protect Yourself on Your Next Flight

Since the tray table provides a direct line of transmission for bacteria to hop from the surface straight into your mouth, navigating this germ trap requires a smart strategy.

First, follow a strict carry-on packing philosophy and make sure a pack of high-intensity antibacterial wipes is resting in your seatback pocket before you ever take off. Wipe down the entire tray table, the seatbelt buckle, and the overhead air vent dial the second you sit down.

Most importantly, never let your food make direct contact with the tray table surface. Keep your snacks wrapper-on, or bring a clean napkin to act as a barrier. If you’re ready to trade the daily grind for a little bit of summer travel magic, just remember to pack the sanitizer alongside your favorite sunglasses.

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