Rochester, NH Noise Levels
Rochester, NH: what the federal noise map shows
At Rochester, NH, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. Rochester's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Rochester ranks
Rochester is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. Population is about 33,598, 1,224th largest of the 12,137 places covered here.
Your street may differ from Rochester's reading
For a single house or lot in Rochester 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 Rochester's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Rochester.