Noise Levels in Echo Highlands, Birmingham, AL | Find Quiet Neighborhoods With Our Sound Map
50 dBA
Average noise across Echo Highlands
Quiet office
593
Residents above the EPA 55 dBA threshold
18% of Echo Highlands residents
70 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across Echo Highlands 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 593 Echo Highlands residents, or 17.5%, live above that level. By land area, 19.1% of Echo Highlands is above 55 dBA.
Average noise levels for Echo Highlands residents, grouped by direction from the center of Echo Highlands. Eastern Echo Highlands carries the highest population-weighted average; Southern Echo Highlands carries the lowest. Just 8% of residents in Southern Echo Highlands live in blocks above the EPA's 55 dBA threshold, a third of the share in Eastern Echo Highlands.
Central Echo Highlands
50.8 dBA · Moderate
Quiet office
15% of people above 55 dBA
QuietLoud
Eastern Echo Highlands
53.1 dBA · Moderate-loud
Quiet office to normal conversation
35% of people above 55 dBA
QuietLoud
Northern Echo Highlands
52.3 dBA · Moderate
Quiet office to normal conversation
15% of people above 55 dBA
QuietLoud
Southern Echo Highlands
48.0 dBA · Mostly quiet
Quiet office
8% of people above 55 dBA
QuietLoud
Western Echo Highlands
48.4 dBA · Mostly quiet
Quiet office
9% of people above 55 dBA
QuietLoud
Eastern Echo Highlands sounds about 42% louder than Southern Echo Highlands 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 New Bradford Hwy do you need to be?
New Bradford Hwy produces an estimated 59 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
59 dBA
Normal conversation an arm’s length away
165 ft
46 dBA
Quiet office
330 ft
39 dBA
Soft rainfall
660 ft
35 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 63% of Echo Highlands sits under tree canopy (much heavier than most neighborhoods) and roughly 11% 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.
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Airport Noise
Birmingham-Shuttlesworth International (BHM) sits southwest of Echo Highlands. The U.S. Department of Transportation models aviation noise around this airport from federal traffic data, and the model uses those federal measurements rather than synthetic predictions.
Blocks under the approach and departure paths carry combined road-plus-aviation noise, with some exceeding 55 dBA on the map's Overall layer. Blocks on the opposite side of Echo Highlands, particularly to the northeast, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.
How Noise Is Distributed Across Echo Highlands
The bar chart below shows the share of Echo Highlands residents in each noise band. About 91% of residents live below the EPA's 55 dBA threshold, and roughly 0% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Echo Highlands Compares
Echo Highlands sits at the quieter end of the spectrum. Below: how Echo Highlands's average outdoor noise and share of residents above the EPA threshold compare with Apple Valley, Spring Lake, South East Lake, and Huffman.
Average noise level (dBA)
Echo Highlands's 50.5 dBA pop-weighted average is at the quieter end of the spectrum. Alabama as a whole averages 49.0 dBA and the U.S. averages 52.0 dBA. Both are lower than Echo Highlands because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 17.5% of Echo Highlands residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's in the middle of its peer group. Measured by land area instead, 19.1% of Echo Highlands's footprint sits above 55 dBA, against a Alabama average of 20.0% and a national average of 28.1%.
What This Means if You're Moving to Echo Highlands
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 New Bradford Hwy 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 63% of Echo Highlands is under tree cover (much heavier than most neighborhoods), and the dominant land cover is deciduous forest. 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.
Airport noise is directional. Birmingham-Shuttlesworth International's approach paths concentrate aviation noise to the southwest. Neighborhoods to the northeast of downtown show no measurable contribution from the airport.
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.
