City vs city
Chantilly vs Fair Lakes, VA
Chantilly currently scores 15 points higher overall than Fair Lakes, 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
Chantilly: 46/100 · Fair Lakes: 31/100
Chantilly is 15 points higher.
Flood
Chantilly: 36/100 · Fair Lakes: 30/100
Chantilly is 6 points higher.
Chantilly: FEMA NFHL flood zones: 9 features intersect this tile.
Fair Lakes: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Chantilly: 20/100 · Fair Lakes: 20/100
No gap.
Chantilly: Wind exposure derived from ingested design wind / climatology tiles.
Fair Lakes: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Chantilly: 38/100 · Fair Lakes: 39/100
Fair Lakes is 1 points higher.
Chantilly: Lightning exposure derived from ingested climatology tiles.
Fair Lakes: Lightning exposure derived from ingested climatology tiles.
Tornado
Chantilly: 42/100 · Fair Lakes: 4/100
Chantilly is 38 points higher.
Chantilly: Tornado risk derived from NOAA SPC historical reports.
Fair Lakes: Tornado risk derived from NOAA SPC historical reports.
Hail
Chantilly: 100/100 · Fair Lakes: 43/100
Chantilly is 57 points higher.
Chantilly: Hail risk derived from NOAA SPC historical reports.
Fair Lakes: Hail risk derived from NOAA SPC historical reports.
Storm surge
Chantilly: Unavailable · Fair Lakes: Unavailable
A score difference cannot be calculated without both sources.
Chantilly: Storm surge model is not available for this location yet.
Fair Lakes: Storm surge model is not available for this location yet.
Wildfire
Chantilly: 43/100 · Fair Lakes: 42/100
Chantilly is 1 points higher.
Chantilly: Wildfire exposure derived from ingested fire potential tiles.
Fair Lakes: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Chantilly: 40/100 · Fair Lakes: 40/100
No gap.
Chantilly: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Fair Lakes: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.