Fortuna, CA Noise Levels
Fortuna, CA: what the federal noise map shows
Fortuna, CA is one of the places where the federal model has nothing to report above its 45 dB(A) floor, on any of the three sources.
That figure is sampled at one coordinate, the Census Bureau's own internal point for Fortuna, not a street-by-street survey of the whole place.
Where Fortuna ranks
Fortuna, CA sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. About 12,114 people live there, making it the 2,797th largest place in this dataset.
Your street may differ from Fortuna's reading
For a single house or lot in Fortuna 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 Fortuna's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Fortuna.