Noise Levels in Cherokee Triangle, Louisville, KY | Find Quiet Neighborhoods With Our Sound Map
54 dBA
Average noise across Cherokee Triangle
Quiet office to normal conversation
1,332
Residents above the EPA 55 dBA threshold
35% of Cherokee Triangle residents
68 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across Cherokee Triangle 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 1,332 Cherokee Triangle residents, or 35.1%, live above that level. By land area, 36.5% of Cherokee Triangle is above 55 dBA.
63.5% below 55 dBA
36.5% above 55 dBA
See how noise in Cherokee Triangle compares to similar-sized neighborhoods.
Noise by Part of Cherokee Triangle
Average noise levels for Cherokee Triangle residents, grouped by direction from the center of Cherokee Triangle. The highest population-weighted average is in southeastern Cherokee Triangle; the lowest is in western Cherokee Triangle, where just 22% of residents live in blocks above the EPA's 55 dBA threshold, about half the share in the loudest section.
Southeastern Cherokee Triangle
56.3 dBA · Moderate-loud
Normal conversation an arm’s length away
Central Cherokee Triangle
56.1 dBA · Moderate-loud
Normal conversation an arm’s length away
Northeastern Cherokee Triangle
55.3 dBA · Moderate-loud
Quiet office to normal conversation
Northern Cherokee Triangle
54.6 dBA · Moderate-loud
Quiet office to normal conversation
Western Cherokee Triangle
54.6 dBA · Moderate-loud
Quiet office to normal conversation
To the human ear, noise in southeastern Cherokee Triangle sounds about 13% louder than in western Cherokee Triangle, a 1.7 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 Cherokee Rd do you need to be?
Cherokee Rd produces an estimated 55 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
55 dBA
Quiet office to normal conversation
165 ft
42 dBA
Quiet suburban street at night
330 ft
35 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 23% of Cherokee Triangle sits under tree canopy (heavier than most neighborhoods) and roughly 43% 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
Louisville Muhammad Ali International (SDF) sits south of Cherokee Triangle. 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 Cherokee Triangle, particularly to the north, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.
How Noise Is Distributed Across Cherokee Triangle
The bar chart below shows the share of Cherokee Triangle residents in each noise band. About 69% of residents live below the EPA's 55 dBA threshold, and roughly 9% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Cherokee Triangle Compares
Cherokee Triangle sits the lowest among the peer group. Below: how Cherokee Triangle's average outdoor noise and share of residents above the EPA threshold compare with Deer Park, Saint Joseph, Bowman, and Clifton.
Average noise level (dBA)
Cherokee Triangle's 54.4 dBA pop-weighted average is the lowest among the peer group. Kentucky as a whole averages 50.5 dBA and the U.S. averages 52.0 dBA. Both are lower than Cherokee Triangle because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 35.1% of Cherokee Triangle residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's fewer than any of its peer group. Measured by land area instead, 36.5% of Cherokee Triangle's footprint sits above 55 dBA, against a Kentucky average of 23.2% and a national average of 28.1%.
What This Means if You're Moving to Cherokee Triangle
- 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 Cherokee Rd 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 23% of Cherokee Triangle is under tree cover (heavier than most neighborhoods), 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.
- Airport noise is directional. Louisville Muhammad Ali International's approach paths concentrate aviation noise to the south. Neighborhoods to the north of downtown show no measurable contribution from the airport.
