27,000: Cost, in $US, of a “noise-monitoring camera” purchased by the city of Knoxville, Tennessee
25: The distance, in feet, it is illegal in Florida for sound from your vehicle to be audible
244: Number of sound level meters purchased by police in Delhi, India, to fight noise pollution
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¹Footnotes
Knoxville: [knoxnews.com](https://www.knoxnews.com/story/news/2022/07/23/downtown-knoxville-car-noise-documented-city-sound-camera/10110276002/). Florida: [motorbiscuit.com](https://www.motorbiscuit.com/new-florida-law-loud-car-music-exhausts-illegal/). Delhi: [timesofindia.indiatimes.com](http://timesofindia.indiatimes.com/articleshow/93013481.cms).
*Originally published in the July 25, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via [tinyletter.com/disquiet](https://tinyletter.com/disquiet).*