200: Total potential improvement, in percent increase, of AirPods Pro (2nd generation) for noise cancellation
30: Number of years during which it is estimated that noise pollution increases two-to-threefold
65: Percent of Europeans estimated to be living with hazardous noise levels
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¹Footnotes
Airpods: [cnet.com](https://www.cnet.com/tech/mobile/airpods-pro-2-hands-on-crisper-sound-better-noise-canceling/). Noise: [wapo.st](https://wapo.st/3xwmC1G) (read without subscription).
*Originally published in the September 20, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via [tinyletter.com/disquiet](https://tinyletter.com/disquiet).*