Hayward, CA Noise Levels
Noise levels in Hayward, CA
At 52.5 dB(A), Hayward, CA 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 aircraft, well ahead of the other two modes BTS tracks. That figure is sampled at one coordinate, the Census Bureau's own internal point for Hayward, not a street-by-street survey of the whole place.
Where Hayward'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 Hayward
Aircraft noise is intermittent and lower-frequency, which is why FAA’s Part 150 program funds whole-envelope sound insulation for homes inside an airport’s own mapped noise contour rather than relying on window replacement alone.
How Hayward compares nationally
Hayward ranks 794 of 3,622 measured places nationally, 1 being the loudest this dataset covers. By population, it ranks 172 of the 12,137 places in this dataset, home to about 158,440 people.
Checking one address in Hayward
Hayward's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Hayward'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 aircraft calls for a different fix than the other two sources.