Daly City, CA Noise Levels
Noise levels in Daly City, CA
BTS's federal noise model shows no measurable road, rail or aircraft noise at Daly City, CA, below the 45 dB(A) floor it can even resolve. This describes Daly City as a whole, not a specific block, the underlying BTS map resolves to about 38 meters per pixel, sampled at the town's own center point.
How Daly City compares nationally
Daly City is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. About 101,418 people live there, making it the 334th largest place in this dataset.
Checking one address in Daly City
Daly City's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Daly 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 Daly City reads as quiet? The explanation of what a quiet result actually means covers it.