Santa Rosa, CA Noise Levels
Santa Rosa, CA: what the federal noise map shows
At Santa Rosa, CA, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. Santa Rosa's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Santa Rosa ranks
Santa Rosa, CA sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. By population, it ranks 153 of the 12,137 places in this dataset, home to about 177,524 people.
Your street may differ from Santa Rosa's reading
For a single house or lot in Santa Rosa 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 Santa Rosa's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Santa Rosa.