City vs city
Arlington vs Herndon, VA
Arlington currently scores 6 points higher overall than Herndon, 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 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
Arlington: 43/100 · Herndon: 37/100
Arlington is 6 points higher.
Flood
Arlington: 25/100 · Herndon: 24/100
Arlington is 1 points higher.
Arlington: FEMA NFHL flood zones: 8 features intersect this tile.
Herndon: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Arlington: 21/100 · Herndon: 20/100
Arlington is 1 points higher.
Arlington: Wind exposure derived from ingested design wind / climatology tiles.
Herndon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Arlington: 39/100 · Herndon: 38/100
Arlington is 1 points higher.
Arlington: Lightning exposure derived from ingested climatology tiles.
Herndon: Lightning exposure derived from ingested climatology tiles.
Tornado
Arlington: 27/100 · Herndon: 12/100
Arlington is 15 points higher.
Arlington: Tornado risk derived from NOAA SPC historical reports.
Herndon: Tornado risk derived from NOAA SPC historical reports.
Hail
Arlington: 100/100 · Herndon: 85/100
Arlington is 15 points higher.
Arlington: Hail risk derived from NOAA SPC historical reports.
Herndon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Arlington: Unavailable · Herndon: Unavailable
A score difference cannot be calculated without both sources.
Arlington: Storm surge model is not available for this location yet.
Herndon: Storm surge model is not available for this location yet.
Wildfire
Arlington: 45/100 · Herndon: 41/100
Arlington is 4 points higher.
Arlington: Wildfire exposure derived from ingested fire potential tiles.
Herndon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Arlington: 41/100 · Herndon: 41/100
No gap.
Arlington: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Herndon: Air quality signal derived from the latest EPA AirNow combined AQI grid.