Austin noise heatmap
Noise complaint density across Austin over the last 12 months. Tap any block or search an address to see its A–F noise grade. Quieter is better.
Current release
Data through April 2026
April 2025 through April 2026 · 14.8K records
How this works. Every geocoded 311 noise complaint in Austin from April 2025 through April 2026 is weighted by time-of-day (2× for 10pm–7am) and type (construction / amplified music count more), then smoothed into a 200m grid via Gaussian KDE with σ = 200m. Grades are per-city percentiles: A is the quietest 10% of the city, F the loudest 10%, and B/C/D cover the middle 80%. An A in Austin means “quietest 10% of this city”, not “quiet compared to everywhere.” Full methodology.
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Tap the map or search an address to see the noise score at that location. Scores are computed from 14,764 geocoded noise complaints in Austin over the last year.
Grade distribution
- Grade A
- 1.2K cells
- Grade B
- 2.4K cells
- Grade C
- 4.8K cells
- Grade D
- 2.4K cells
- Grade F
- 1.2K cells
Each cell covers a 200m × 200m patch of ground. Grades are assigned by percentile rank within Austin. A and F are each reserved for the top and bottom 10% of cells by density, and B / C / D split the middle 80% into a 20% / 40% / 20% fan, so the counts should come out close to a 10 / 20 / 40 / 20 / 10 shape by construction.
Underlying 311 noise complaints sourced from the Austin open data portal. Base map tiles from CARTO and OpenStreetMap. Address search via Google Places.