City vs city
Evanston vs Purple Sage, WY
Evanston currently scores 11 points higher overall than Purple Sage, 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
Evanston: 29/100 · Purple Sage: 18/100
Evanston is 11 points higher.
Flood
Evanston: 79/100 · Purple Sage: Unavailable
A score difference cannot be calculated without both sources.
Evanston: FEMA NFHL flood zones: 4 features intersect this tile.
Purple Sage: Flood model is not available for this location yet.
Wind
Evanston: 12/100 · Purple Sage: 13/100
Purple Sage is 1 points higher.
Evanston: Wind exposure derived from ingested design wind / climatology tiles.
Purple Sage: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Evanston: 14/100 · Purple Sage: 13/100
Evanston is 1 points higher.
Evanston: Lightning exposure derived from ingested climatology tiles.
Purple Sage: Lightning exposure derived from ingested climatology tiles.
Tornado
Evanston: 0/100 · Purple Sage: 0/100
No gap.
Evanston: Tornado risk derived from NOAA SPC historical reports.
Purple Sage: Tornado risk derived from NOAA SPC historical reports.
Hail
Evanston: 1/100 · Purple Sage: 3/100
Purple Sage is 2 points higher.
Evanston: Hail risk derived from NOAA SPC historical reports.
Purple Sage: Hail risk derived from NOAA SPC historical reports.
Storm surge
Evanston: Unavailable · Purple Sage: Unavailable
A score difference cannot be calculated without both sources.
Evanston: Storm surge model is not available for this location yet.
Purple Sage: Storm surge model is not available for this location yet.
Wildfire
Evanston: 43/100 · Purple Sage: 57/100
Purple Sage is 14 points higher.
Evanston: Wildfire exposure derived from ingested fire potential tiles.
Purple Sage: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Evanston: 26/100 · Purple Sage: 20/100
Evanston is 6 points higher.
Evanston: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Purple Sage: Air quality signal derived from the latest EPA AirNow combined AQI grid.