Quantum Disturbances: What to Know

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Quantum mechanics states that the universe is bumpy due to quantum disturbances. I was wondering if there's an average amount of quantum disturbances that occur in a certain area (say 1 metre squared) in a specific amount of time (say every 1 second)? Thank you for your time and if I'm talking nonsense, please tell me!
 
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Einstein's Cat said:
I was wondering if there's an average amount of quantum disturbances that occur in a certain area (say 1 metre squared) in a specific amount of time (say every 1 second)?
Not in the way that you could assign a number to it.
 

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