Alpha, NJ Noise Levels
Noise levels in Alpha, NJ
At 47.5 dB(A), Alpha, NJ 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 figure is sampled at one coordinate, the Census Bureau's own internal point for Alpha, not a street-by-street survey of the whole place.
Where Alpha'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 Alpha compares nationally
Alpha ranks 2,935 of 3,622 measured places nationally, 1 being the loudest this dataset covers. By population, it ranks 7,083 of the 12,137 places in this dataset, home to about 2,357 people.
Checking one address in Alpha
Alpha's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Alpha's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Alpha reads as quiet? The explanation of what a quiet result actually means covers it.