City vs city
Boston vs Harwich Port, MA
Boston currently scores 13 points higher overall than Harwich Port, 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 · Harwich Port: 26/100
Boston is 13 points higher.
Flood
Boston: 48/100 · Harwich Port: 29/100
Boston is 19 points higher.
Boston: FEMA NFHL flood zones: 21 features intersect this tile.
Harwich Port: FEMA NFHL flood zones: 8 features intersect this tile.
Wind
Boston: 27/100 · Harwich Port: 38/100
Harwich Port is 11 points higher.
Boston: Wind exposure derived from ingested design wind / climatology tiles.
Harwich Port: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Boston: 10/100 · Harwich Port: 8/100
Boston is 2 points higher.
Boston: Lightning exposure derived from ingested climatology tiles.
Harwich Port: Lightning exposure derived from ingested climatology tiles.
Tornado
Boston: 15/100 · Harwich Port: 8/100
Boston is 7 points higher.
Boston: Tornado risk derived from NOAA SPC historical reports.
Harwich Port: Tornado risk derived from NOAA SPC historical reports.
Hail
Boston: 30/100 · Harwich Port: 6/100
Boston is 24 points higher.
Boston: Hail risk derived from NOAA SPC historical reports.
Harwich Port: Hail risk derived from NOAA SPC historical reports.
Storm surge
Boston: 98/100 · Harwich Port: 95/100
Boston is 3 points higher.
Boston: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Harwich Port: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Boston: 57/100 · Harwich Port: 5/100
Boston is 52 points higher.
Boston: Wildfire exposure derived from ingested fire potential tiles.
Harwich Port: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Boston: 26/100 · Harwich Port: 21/100
Boston is 5 points higher.
Boston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Harwich Port: Air quality signal derived from the latest EPA AirNow combined AQI grid.