Madison, IL Noise Levels
Noise levels in Madison, IL
Madison, IL doesn't clear BTS's 45 dB(A) measurement floor on any of the three transportation sources it tracks, road, rail or aircraft.
Madison's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
How Madison compares nationally
There's no loudness rank for Madison: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. About 3,060 people live there, making it the 6,262th largest place in this dataset.
Checking one address in Madison
Madison's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Madison's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Madison reads as quiet? The explanation of what a quiet result actually means covers it.