City vs city
Ashburn vs Loudoun Valley Estates, VA
Ashburn currently scores 5 points higher overall than Loudoun Valley Estates, 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 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
Ashburn: 39/100 · Loudoun Valley Estates: 34/100
Ashburn is 5 points higher.
Flood
Ashburn: 30/100 · Loudoun Valley Estates: 23/100
Ashburn is 7 points higher.
Ashburn: FEMA NFHL flood zones: 5 features intersect this tile.
Loudoun Valley Estates: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Ashburn: 20/100 · Loudoun Valley Estates: 20/100
No gap.
Ashburn: Wind exposure derived from ingested design wind / climatology tiles.
Loudoun Valley Estates: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Ashburn: 35/100 · Loudoun Valley Estates: 35/100
No gap.
Ashburn: Lightning exposure derived from ingested climatology tiles.
Loudoun Valley Estates: Lightning exposure derived from ingested climatology tiles.
Tornado
Ashburn: 8/100 · Loudoun Valley Estates: 0/100
Ashburn is 8 points higher.
Ashburn: Tornado risk derived from NOAA SPC historical reports.
Loudoun Valley Estates: Tornado risk derived from NOAA SPC historical reports.
Hail
Ashburn: 100/100 · Loudoun Valley Estates: 48/100
Ashburn is 52 points higher.
Ashburn: Hail risk derived from NOAA SPC historical reports.
Loudoun Valley Estates: Hail risk derived from NOAA SPC historical reports.
Storm surge
Ashburn: Unavailable · Loudoun Valley Estates: Unavailable
A score difference cannot be calculated without both sources.
Ashburn: Storm surge model is not available for this location yet.
Loudoun Valley Estates: Storm surge model is not available for this location yet.
Wildfire
Ashburn: 41/100 · Loudoun Valley Estates: 35/100
Ashburn is 6 points higher.
Ashburn: Wildfire exposure derived from ingested fire potential tiles.
Loudoun Valley Estates: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Ashburn: 40/100 · Loudoun Valley Estates: 40/100
No gap.
Ashburn: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Loudoun Valley Estates: Air quality signal derived from the latest EPA AirNow combined AQI grid.