City vs city
Boston vs South Lancaster, MA
Boston currently scores 15 points higher overall than South Lancaster, 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 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
Boston: 39/100 · South Lancaster: 24/100
Boston is 15 points higher.
Flood
Boston: 48/100 · South Lancaster: 46/100
Boston is 2 points higher.
Boston: FEMA NFHL flood zones: 21 features intersect this tile.
South Lancaster: FEMA NFHL flood zones: 13 features intersect this tile.
Wind
Boston: 27/100 · South Lancaster: 24/100
Boston is 3 points higher.
Boston: Wind exposure derived from ingested design wind / climatology tiles.
South Lancaster: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Boston: 10/100 · South Lancaster: 7/100
Boston is 3 points higher.
Boston: Lightning exposure derived from ingested climatology tiles.
South Lancaster: Lightning exposure derived from ingested climatology tiles.
Tornado
Boston: 15/100 · South Lancaster: 4/100
Boston is 11 points higher.
Boston: Tornado risk derived from NOAA SPC historical reports.
South Lancaster: Tornado risk derived from NOAA SPC historical reports.
Hail
Boston: 30/100 · South Lancaster: 18/100
Boston is 12 points higher.
Boston: Hail risk derived from NOAA SPC historical reports.
South Lancaster: Hail risk derived from NOAA SPC historical reports.
Storm surge
Boston: 98/100 · South Lancaster: Unavailable
A score difference cannot be calculated without both sources.
Boston: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
South Lancaster: Storm surge model is not available for this location yet.
Wildfire
Boston: 57/100 · South Lancaster: 44/100
Boston is 13 points higher.
Boston: Wildfire exposure derived from ingested fire potential tiles.
South Lancaster: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Boston: 26/100 · South Lancaster: 26/100
No gap.
Boston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
South Lancaster: Air quality signal derived from the latest EPA AirNow combined AQI grid.