Salem, SD Noise Levels
Is Salem, SD noisy?
Salem, SD sits below the 45 dB(A) floor BTS's transportation noise model measures at all, road, rail and aircraft alike. That's the reading at Salem's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
Where Salem ranks
There's no loudness rank for Salem: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. By population, it ranks 9,251 of the 12,137 places in this dataset, home to about 1,315 people.
Your street may differ from Salem's reading
This page describes Salem as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Salem's reading
The methodology guide shows exactly how Salem's reading was built from BTS's tile data. Salem isn't the only surprise: the guide to why big cities show up quiet covers why this happens.