City vs city
Darien Downtown vs Norwalk, CT
Darien Downtown currently scores 5 points higher overall than Norwalk, with the largest gap in wildfire.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Darien Downtown: 31/100 · Norwalk: 26/100
Darien Downtown is 5 points higher.
Flood
Darien Downtown: 0/100 · Norwalk: 0/100
No gap.
Darien Downtown: FEMA NFHL flood zones: 0 features intersect this tile.
Norwalk: FEMA NFHL flood zones: 0 features intersect this tile.
Wind
Darien Downtown: 25/100 · Norwalk: 25/100
No gap.
Darien Downtown: Wind exposure derived from ingested design wind / climatology tiles.
Norwalk: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Darien Downtown: 17/100 · Norwalk: 17/100
No gap.
Darien Downtown: Lightning exposure derived from ingested climatology tiles.
Norwalk: Lightning exposure derived from ingested climatology tiles.
Tornado
Darien Downtown: 0/100 · Norwalk: 15/100
Norwalk is 15 points higher.
Darien Downtown: Tornado risk derived from NOAA SPC historical reports.
Norwalk: Tornado risk derived from NOAA SPC historical reports.
Hail
Darien Downtown: 12/100 · Norwalk: 30/100
Norwalk is 18 points higher.
Darien Downtown: Hail risk derived from NOAA SPC historical reports.
Norwalk: Hail risk derived from NOAA SPC historical reports.
Storm surge
Darien Downtown: 99/100 · Norwalk: Unavailable
A score difference cannot be calculated without both sources.
Darien Downtown: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Norwalk: Storm surge model is not available for this location yet.
Wildfire
Darien Downtown: 10/100 · Norwalk: 46/100
Norwalk is 36 points higher.
Darien Downtown: Wildfire exposure derived from ingested fire potential tiles.
Norwalk: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Darien Downtown: 51/100 · Norwalk: 51/100
No gap.
Darien Downtown: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Norwalk: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.