170 dB is super high, like a shotgun blast or a jet engine close by, or a hurricane.
This video goes into detail on dB ratings. It makes the point that these truck air horns that are labeled 300db on Amazon are actually many thousands of times more powerful than the Krakatoa blast, and would actually expde our planet. Spoiler, the air horn aren't actually 300 dB, they're more like 100-115. https://youtu.be/zAe9qvC49qY
This video goes into detail on dB ratings. It makes the point that these truck air horns that are labeled 300db on Amazon are actually many thousands of times more powerful than the Krakatoa blast, and would actually expde our planet. Spoiler, the air horn aren't actually 300 dB, they're more like 100-115. https://youtu.be/zAe9qvC49qY