City vs city
Andover vs Brockton, MA
Brockton currently scores 3 points higher overall than Andover, with the largest gap in tornado.
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
Andover: 29/100 · Brockton: 32/100
Brockton is 3 points higher.
Flood
Andover: 38/100 · Brockton: 47/100
Brockton is 9 points higher.
Andover: FEMA NFHL flood zones: 8 features intersect this tile.
Brockton: FEMA NFHL flood zones: 18 features intersect this tile.
Wind
Andover: 25/100 · Brockton: 31/100
Brockton is 6 points higher.
Andover: Wind exposure derived from ingested design wind / climatology tiles.
Brockton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Andover: 8/100 · Brockton: 11/100
Brockton is 3 points higher.
Andover: Lightning exposure derived from ingested climatology tiles.
Brockton: Lightning exposure derived from ingested climatology tiles.
Tornado
Andover: 0/100 · Brockton: 12/100
Brockton is 12 points higher.
Andover: Tornado risk derived from NOAA SPC historical reports.
Brockton: Tornado risk derived from NOAA SPC historical reports.
Hail
Andover: 25/100 · Brockton: 30/100
Brockton is 5 points higher.
Andover: Hail risk derived from NOAA SPC historical reports.
Brockton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Andover: Unavailable · Brockton: Unavailable
A score difference cannot be calculated without both sources.
Andover: Storm surge model is not available for this location yet.
Brockton: Storm surge model is not available for this location yet.
Wildfire
Andover: 57/100 · Brockton: 68/100
Brockton is 11 points higher.
Andover: Wildfire exposure derived from ingested fire potential tiles.
Brockton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Andover: 22/100 · Brockton: 28/100
Brockton is 6 points higher.
Andover: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Brockton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.