City vs city
Altamont vs Gresham, OR
Altamont currently scores 9 points higher overall than Gresham, 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
Altamont: 16/100 · Gresham: 7/100
Altamont is 9 points higher.
Flood
Altamont: 26/100 · Gresham: 10/100
Altamont is 16 points higher.
Altamont: FEMA NFHL flood zones: 4 features intersect this tile.
Gresham: FEMA NFHL flood zones: 3 features intersect this tile.
Wind
Altamont: 5/100 · Gresham: 6/100
Gresham is 1 points higher.
Altamont: Wind exposure derived from ingested design wind / climatology tiles.
Gresham: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Altamont: 4/100 · Gresham: 1/100
Altamont is 3 points higher.
Altamont: Lightning exposure derived from ingested climatology tiles.
Gresham: Lightning exposure derived from ingested climatology tiles.
Tornado
Altamont: 4/100 · Gresham: 4/100
No gap.
Altamont: Tornado risk derived from NOAA SPC historical reports.
Gresham: Tornado risk derived from NOAA SPC historical reports.
Hail
Altamont: 3/100 · Gresham: 3/100
No gap.
Altamont: Hail risk derived from NOAA SPC historical reports.
Gresham: Hail risk derived from NOAA SPC historical reports.
Storm surge
Altamont: Unavailable · Gresham: Unavailable
A score difference cannot be calculated without both sources.
Altamont: Storm surge model is not available for this location yet.
Gresham: Storm surge model is not available for this location yet.
Wildfire
Altamont: 58/100 · Gresham: 15/100
Altamont is 43 points higher.
Altamont: Wildfire exposure derived from ingested fire potential tiles.
Gresham: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Altamont: 14/100 · Gresham: 11/100
Altamont is 3 points higher.
Altamont: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Gresham: Air quality signal derived from the latest EPA AirNow combined AQI grid.