Lowell, MA Noise Levels
Lowell, MA: what the federal noise map shows
At Lowell, MA, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. This describes Lowell 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.
Where Lowell ranks
Lowell, MA sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. Population is about 120,418, 251th largest of the 12,137 places covered here.
Your street may differ from Lowell's reading
For a single house or lot in Lowell 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 Lowell's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Lowell.