Charles City, IA Noise Levels
Noise levels in Charles City, IA
At 47.5 dB(A), Charles City, IA falls inside HUD's "Acceptable" noise zone, 65 dB(A) day-night average or below under 24 CFR 51.104, the federal government's own line for building housing with no extra sound attenuation required. That's the reading at Charles City's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
Where Charles City's noise comes from
BTS models these three sources separately before combining them, so a place can be quiet on two and loud on the third.
How Charles City compares nationally
Charles City ranks 2,472 of 3,622 measured places nationally, 1 being the loudest this dataset covers. About 7,081 people live there, making it the 4,010th largest place in this dataset.
Checking one address in Charles City
Charles City's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Charles City's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Charles City reads as quiet? The explanation of what a quiet result actually means covers it.