EU based companies are prohibited from exporting personal data to overseas-based service providers unless an exception applies. For Airtable, the only one that could apply is the Provacy Shield.
I have just started using it, so I'm still getting proficient at it. So far, I'm in love. I had been digging for a tool to help me with content management and strategy, and I couldn't be happier with what Airtable lets me do.