City vs city
Andover vs Marlborough, MA
Marlborough currently scores 4 points higher overall than Andover, with the largest gap in hail.
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 · Marlborough: 33/100
Marlborough is 4 points higher.
Flood
Andover: 38/100 · Marlborough: 35/100
Andover is 3 points higher.
Andover: FEMA NFHL flood zones: 8 features intersect this tile.
Marlborough: FEMA NFHL flood zones: 9 features intersect this tile.
Wind
Andover: 25/100 · Marlborough: 26/100
Marlborough is 1 points higher.
Andover: Wind exposure derived from ingested design wind / climatology tiles.
Marlborough: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Andover: 8/100 · Marlborough: 8/100
No gap.
Andover: Lightning exposure derived from ingested climatology tiles.
Marlborough: Lightning exposure derived from ingested climatology tiles.
Tornado
Andover: 0/100 · Marlborough: 19/100
Marlborough is 19 points higher.
Andover: Tornado risk derived from NOAA SPC historical reports.
Marlborough: Tornado risk derived from NOAA SPC historical reports.
Hail
Andover: 25/100 · Marlborough: 55/100
Marlborough is 30 points higher.
Andover: Hail risk derived from NOAA SPC historical reports.
Marlborough: Hail risk derived from NOAA SPC historical reports.
Storm surge
Andover: Unavailable · Marlborough: Unavailable
A score difference cannot be calculated without both sources.
Andover: Storm surge model is not available for this location yet.
Marlborough: Storm surge model is not available for this location yet.
Wildfire
Andover: 57/100 · Marlborough: 61/100
Marlborough is 4 points higher.
Andover: Wildfire exposure derived from ingested fire potential tiles.
Marlborough: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Andover: 22/100 · Marlborough: 26/100
Marlborough is 4 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.
Marlborough: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.