City vs city
Green Valley vs Mount Airy, MD
Mount Airy currently scores 3 points higher overall than Green Valley, 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 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
Green Valley: 30/100 · Mount Airy: 33/100
Mount Airy is 3 points higher.
Flood
Green Valley: 20/100 · Mount Airy: 20/100
No gap.
Green Valley: FEMA NFHL flood zones: 3 features intersect this tile.
Mount Airy: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Green Valley: 20/100 · Mount Airy: 21/100
Mount Airy is 1 points higher.
Green Valley: Wind exposure derived from ingested design wind / climatology tiles.
Mount Airy: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Green Valley: 31/100 · Mount Airy: 33/100
Mount Airy is 2 points higher.
Green Valley: Lightning exposure derived from ingested climatology tiles.
Mount Airy: Lightning exposure derived from ingested climatology tiles.
Tornado
Green Valley: 15/100 · Mount Airy: 31/100
Mount Airy is 16 points higher.
Green Valley: Tornado risk derived from NOAA SPC historical reports.
Mount Airy: Tornado risk derived from NOAA SPC historical reports.
Hail
Green Valley: 44/100 · Mount Airy: 46/100
Mount Airy is 2 points higher.
Green Valley: Hail risk derived from NOAA SPC historical reports.
Mount Airy: Hail risk derived from NOAA SPC historical reports.
Storm surge
Green Valley: Unavailable · Mount Airy: Unavailable
A score difference cannot be calculated without both sources.
Green Valley: Storm surge model is not available for this location yet.
Mount Airy: Storm surge model is not available for this location yet.
Wildfire
Green Valley: 41/100 · Mount Airy: 39/100
Green Valley is 2 points higher.
Green Valley: Wildfire exposure derived from ingested fire potential tiles.
Mount Airy: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Green Valley: 42/100 · Mount Airy: 43/100
Mount Airy is 1 points higher.
Green Valley: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Mount Airy: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.