Westmont, IL Noise Levels
Noise levels in Westmont, IL
At 57.5 dB(A), Westmont, 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. The main source is rail traffic, well ahead of the other two modes BTS tracks. Treat this as Westmont's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
Where Westmont'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.
If you're weighing a move to Westmont
The same window and door upgrades that work on road noise also cut broadband rail noise, though very low-frequency freight rumble travels through walls, not just glass.
How Westmont compares nationally
Westmont ranks 397 of 3,622 measured places nationally, 1 being the loudest this dataset covers. About 24,308 people live there, making it the 1,651th largest place in this dataset.
Checking one address in Westmont
Westmont's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Westmont's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. The guide to what actually cuts each kind of noise explains why rail traffic calls for a different fix than the other two sources.