Shannon, IL Noise Levels
Noise levels in Shannon, IL
Shannon, IL doesn't clear BTS's 45 dB(A) measurement floor on any of the three transportation sources it tracks, road, rail or aircraft.
Treat this as Shannon's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
How Shannon compares nationally
Shannon is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. Population is about 841, 11,003th largest of the 12,137 places covered here.
Checking one address in Shannon
Shannon's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Shannon's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Shannon reads as quiet? The explanation of what a quiet result actually means covers it.