Lombard, IL Noise Levels
Noise levels in Lombard, IL
At 47.5 dB(A), Lombard, IL 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 Lombard's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
Where Lombard'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 Lombard compares nationally
Lombard ranks 1,950 of 3,622 measured places nationally, 1 being the loudest this dataset covers. About 44,490 people live there, making it the 928th largest place in this dataset.
Checking one address in Lombard
Lombard's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Lombard's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Lombard reads as quiet? The explanation of what a quiet result actually means covers it.