Anna, IL Noise Levels
Is Anna, IL noisy?
Anna, IL 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 Anna's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
Where Anna ranks
Anna, IL sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. Population is about 4,165, 5,387th largest of the 12,137 places covered here.
Your street may differ from Anna's reading
This page describes Anna as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Anna's reading
The methodology guide shows exactly how Anna's reading was built from BTS's tile data. Anna isn't the only surprise: the guide to why big cities show up quiet covers why this happens.