Palo Alto, CA Noise Levels
Palo Alto, CA: what the federal noise map shows
At Palo Alto, CA, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. That figure is sampled at one coordinate, the Census Bureau's own internal point for Palo Alto, not a street-by-street survey of the whole place.
Where Palo Alto ranks
There's no loudness rank for Palo Alto: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. By population, it ranks 578 of the 12,137 places in this dataset, home to about 67,658 people.
Your street may differ from Palo Alto's reading
For a single house or lot in Palo Alto rather than the town-wide figure above, BTS's own map is the same free source, queried directly.
More on how this number was built
For exactly which federal dataset feeds Palo Alto's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Palo Alto.