Noise Levels in El Cerrito, CA | Find Quiet Neighborhoods With Our Sound Map
56 dBA
Average noise across El Cerrito
Quiet office to normal conversation
12,932
Residents above the EPA 55 dBA threshold
57% of El Cerrito residents
88 dBA
Loudest residential point
Lawnmower at 1 m
This map shows modeled outdoor noise across El Cerrito 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 12,932 El Cerrito residents, or 57.0%, live above that level. By land area, 60.4% of El Cerrito is above 55 dBA.
Average noise levels for El Cerrito residents, grouped by direction from the center of El Cerrito. Western El Cerrito carries the highest population-weighted average; Eastern El Cerrito carries the lowest. Just 22% of residents in Eastern El Cerrito live in blocks above the EPA's 55 dBA threshold, a third of the share in Western El Cerrito.
Central El Cerrito
55.6 dBA · Moderate-loud
Quiet office to normal conversation
54% of people above 55 dBA
QuietLoud
Eastern El Cerrito
51.9 dBA · Moderate
Quiet office to normal conversation
22% of people above 55 dBA
QuietLoud
Northern El Cerrito
54.2 dBA · Moderate-loud
Quiet office to normal conversation
49% of people above 55 dBA
QuietLoud
Southern El Cerrito
57.3 dBA · Moderate-loud
Normal conversation an arm’s length away
68% of people above 55 dBA
QuietLoud
Western El Cerrito
61.2 dBA · Loud
Busy restaurant
88% of people above 55 dBA
QuietLoud
Western El Cerrito sounds about 91% louder than Eastern El Cerrito to the human ear, a 9.3 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 Eastshore Fwy do you need to be?
Eastshore Fwy produces an estimated 80 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 quiet suburban street at night.
At source
80 dBA
City bus interior
165 ft
66 dBA
Highway traffic 50 ft away
330 ft
59 dBA
Normal conversation an arm’s length away
660 ft
51 dBA
Quiet office
¼ mile
43 dBA
Quiet suburban street at night
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 11% of El Cerrito sits under tree canopy (lighter than most cities) and roughly 56% 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.
-->
Rail Noise
Active freight rail runs through parts of El Cerrito. For most blocks the rail-only contribution is small. Combined road-plus-rail noise rarely exceeds road noise on its own. The exceptions are the handful of blocks within roughly a quarter mile of the right-of-way during pass-through hours.
Use the Rail toggle on the map above to isolate rail's contribution from road and aviation.
Airport Noise
San Francisco Bay Oakland International (OAK) sits south of El Cerrito. 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 65 dBA on the map's Overall layer. Blocks on the opposite side of El Cerrito, 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 El Cerrito
The bar chart below shows the share of El Cerrito residents in each noise band. About 46% of residents live below the EPA's 55 dBA threshold, and roughly 18% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How El Cerrito Compares
El Cerrito sits at the louder end of the spectrum. Below: how El Cerrito's average outdoor noise and share of residents above the EPA threshold compare with El Sobrante, Albany, Pinole, and Orinda.
Average noise level (dBA)
El Cerrito's 56.0 dBA pop-weighted average is at the louder end of the spectrum. California as a whole averages 54.0 dBA and the U.S. averages 52.0 dBA. Both are lower than El Cerrito because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 57.0% of El Cerrito 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, 60.4% of El Cerrito's footprint sits above 55 dBA, against a California average of 36.0% and a national average of 28.1%.
What This Means if You're Moving to El Cerrito
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 Eastshore Fwy 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 11% of El Cerrito is under tree cover (lighter than most cities), and the dominant land cover is medium-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. San Francisco Bay Oakland International's approach paths concentrate aviation noise to the south. Neighborhoods to the north 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.
