Alta, IA Noise Levels
How loud is Alta, IA?
None of the three transportation sources BTS models, road, rail or aircraft, register above 45 dB(A) at Alta, IA. Alta's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
How Alta compares nationally
Alta, IA 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 7,609 of the 12,137 places in this dataset, home to about 2,039 people.
Checking one address in Alta
Nothing here substitutes for checking one address in Alta directly, and BTS's own map lets anyone do that at no cost.
Alta's number isn't a one-off calculation, it comes from the same method covered in the methodology guide. See the why New York City shows up quiet here too for why a real place can show no reading at all.