City vs city
Baton Rouge vs Gretna, LA
Gretna currently scores 7 points higher overall than Baton Rouge, with the largest gap in storm surge.
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 is a current EPA AirNow signal; 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
Baton Rouge: 54/100 · Gretna: 61/100
Gretna is 7 points higher.
Flood
Baton Rouge: 24/100 · Gretna: 29/100
Gretna is 5 points higher.
Baton Rouge: FEMA NFHL flood zones: 14 features intersect this tile.
Gretna: FEMA NFHL flood zones: 31 features intersect this tile.
Wind
Baton Rouge: 31/100 · Gretna: 50/100
Gretna is 19 points higher.
Baton Rouge: Wind exposure derived from ingested design wind / climatology tiles.
Gretna: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Baton Rouge: 97/100 · Gretna: 92/100
Baton Rouge is 5 points higher.
Baton Rouge: Lightning exposure derived from ingested climatology tiles.
Gretna: Lightning exposure derived from ingested climatology tiles.
Tornado
Baton Rouge: 81/100 · Gretna: 54/100
Baton Rouge is 27 points higher.
Baton Rouge: Tornado risk derived from NOAA SPC historical reports.
Gretna: Tornado risk derived from NOAA SPC historical reports.
Hail
Baton Rouge: 100/100 · Gretna: 95/100
Baton Rouge is 5 points higher.
Baton Rouge: Hail risk derived from NOAA SPC historical reports.
Gretna: Hail risk derived from NOAA SPC historical reports.
Storm surge
Baton Rouge: 44/100 · Gretna: 99/100
Gretna is 55 points higher.
Baton Rouge: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Gretna: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Baton Rouge: 37/100 · Gretna: 38/100
Gretna is 1 points higher.
Baton Rouge: Wildfire exposure derived from ingested fire potential tiles.
Gretna: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Baton Rouge: 18/100 · Gretna: 31/100
Gretna is 13 points higher.
Baton Rouge: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Gretna: Air quality signal derived from the latest EPA AirNow combined AQI grid.