This map shows modeled outdoor noise across Prospect-Shields at 100-meter resolution, combining road, aviation, and rail sources. Green areas measure below 45 dBA. Orange and red exceed the EPA's 55 dBA outdoor threshold linked to long-term health effects. Use the layer toggles to view each source on its own or all together.
What the numbers sound like
- 30 dBAWhisper
- 40 dBASoft rainfall
- 45 dBAQuiet suburban street at night
- 50 dBAQuiet office
- 55 dBAEPA outdoor threshold: light traffic 100 ft away
- 60 dBANormal conversation an arm's length away
- 65 dBABusy restaurant
- 70 dBAHighway traffic 50 ft away
- 80 dBACity bus interior
Population Above the EPA Outdoor Threshold
The EPA's 55 dBA outdoor reference level is a common benchmark for residential noise exposure, especially for activity interference, annoyance, and long-term community noise concerns. About 1,296 Prospect-Shields residents, or 31.3%, live above that level. By land area, 26.9% of Prospect-Shields is above 55 dBA.
See how noise in Prospect-Shields compares to similar-sized neighborhoods.
Noise by Part of Prospect-Shields
Average noise levels for Prospect-Shields residents, grouped by direction from the center of Prospect-Shields. Northern Prospect-Shields carries the highest population-weighted average; Central Prospect-Shields carries the lowest. Just 15% of residents in Central Prospect-Shields live in blocks above the EPA's 55 dBA threshold, about half the share in Northern Prospect-Shields.
Central Prospect-Shields
15% of people above 55 dBA
Eastern Prospect-Shields
54% of people above 55 dBA
Northern Prospect-Shields
42% of people above 55 dBA
Southern Prospect-Shields
24% of people above 55 dBA
Northern Prospect-Shields sounds about 77% louder than Central Prospect-Shields to the human ear, a 8.2 dBA gap. Every 10 dBA roughly doubles perceived loudness. Within any of these directions, two homes a quarter mile apart can still differ by 10 or more dBA depending on how close they sit to a major highway.
How far back from do you need to be?
produces an estimated 64 dBA at its loudest centerline points. Noise drops logarithmically with distance, with the exact rate depending on what's between you and the road. Tree cover, walls, terrain, and pavement type all matter. At roughly a quarter mile back, traffic fades into the noise level of a soft rainfall.
Calculated from the model's calibrated attenuation formula. About 6% of Prospect-Shields sits under tree canopy (lighter than most neighborhoods) and roughly 52% is impervious surface like pavement and rooftops. Both are folded into the per-place decay rate above. Heavier canopy pulls noise down faster with distance; impervious surfaces slow the drop.