Noise Levels in Dobbins Heights, NC | Find Quiet Neighborhoods With Our Sound Map
52 dBA
Average noise across Dobbins Heights
Quiet office to normal conversation
193
Residents above the EPA 55 dBA threshold
35% of Dobbins Heights residents
65 dBA
Loudest residential point
Busy restaurant
This map shows modeled outdoor noise across Dobbins Heights 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.
Overall
Road
Rail
Aviation
Click the map to explore
35 dBa55 dBa (EPA limit)90+ dBa
3545557090
Quietest (dBA)Loudest
Colorblind friendlyoff
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 193 Dobbins Heights residents, or 35.2%, live above that level. By land area, 48.4% of Dobbins Heights is above 55 dBA.
Average noise levels for Dobbins Heights residents, grouped by direction from the center of Dobbins Heights. Southern Dobbins Heights carries the highest population-weighted average; Northern Dobbins Heights carries the lowest. Just 19% of residents in Northern Dobbins Heights live in blocks above the EPA's 55 dBA threshold, a third of the share in Southern Dobbins Heights.
Central Dobbins Heights
51.7 dBA · Moderate
Quiet office to normal conversation
32% of people above 55 dBA
QuietLoud
Eastern Dobbins Heights
53.3 dBA · Moderate-loud
Quiet office to normal conversation
37% of people above 55 dBA
QuietLoud
Northern Dobbins Heights
51.3 dBA · Moderate
Quiet office to normal conversation
19% of people above 55 dBA
QuietLoud
Southern Dobbins Heights
56.4 dBA · Moderate-loud
Normal conversation an arm’s length away
83% of people above 55 dBA
QuietLoud
Southern Dobbins Heights sounds about 42% louder than Northern Dobbins Heights to the human ear, a 5.1 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 65 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.
At source
65 dBA
Busy restaurant
165 ft
52 dBA
Quiet office to normal conversation
330 ft
44 dBA
Quiet suburban street at night
660 ft
36 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 34% of Dobbins Heights sits under tree canopy (about average for cities) and roughly 17% 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.
-->
How Noise Is Distributed Across Dobbins Heights
The bar chart below shows the share of Dobbins Heights residents in each noise band. About 76% of residents live below the EPA's 55 dBA threshold, and roughly 4% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Dobbins Heights Compares
Dobbins Heights sits the highest among the peer group. Below: how Dobbins Heights's average outdoor noise and share of residents above the EPA threshold compare with New Town, Richmond Mills, Ledbetter, and Cordova.
Average noise level (dBA)
Dobbins Heights's 52.2 dBA pop-weighted average is the highest among the peer group. North Carolina as a whole averages 49.7 dBA and the U.S. averages 52.0 dBA. Both are lower than Dobbins Heights because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 35.2% of Dobbins Heights residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's more than any of its peer group. Measured by land area instead, 48.4% of Dobbins Heights's footprint sits above 55 dBA, against a North Carolina average of 22.6% and a national average of 28.1%.
What This Means if You're Moving to Dobbins Heights
Distance from highways matters more than the neighborhood name. Two homes in the same zip code can differ by 20 dBA if one sits 100 meters from and the other 500 meters away. The model captures this at 100-meter resolution, so noise exposure changes block by block.
Tree canopy can help reduce modeled noise exposure. Roughly 34% of Dobbins Heights is under tree cover (about average for cities), and the dominant land cover is low-intensity developed land. Both are measured from federal USDA Forest Service and USGS satellite imagery at 30-meter resolution. Streets with 60% or higher canopy show 3 to 5 dBA lower noise than comparable streets with bare ground or pavement, which is why the per-place decay rate above already accounts for it.
Sources & Methodology
The BestNeighborhood noise model is calibrated against nearly one million federal ground-truth measurements across four states. Road noise is computed from segment-level federal traffic data and propagated outward using physics-based acoustic decay, with attenuation rates that depend on the surrounding land cover.
All inputs are published federal datasets. Block-level noise is computed by combining road, rail, and aviation sound sources in the energy domain, the same physics used in professional environmental noise assessments. Read the full methodology.
