City vs city
Dundas vs Mount Vernon, IL
Mount Vernon currently scores 6 points higher overall than Dundas, with the largest gap in lightning.
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
Dundas: 23/100 · Mount Vernon: 29/100
Mount Vernon is 6 points higher.
Flood
Dundas: Unavailable · Mount Vernon: 47/100
A score difference cannot be calculated without both sources.
Dundas: Flood model is not available for this location yet.
Mount Vernon: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Dundas: 15/100 · Mount Vernon: 15/100
No gap.
Dundas: Wind exposure derived from ingested design wind / climatology tiles.
Mount Vernon: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Dundas: 67/100 · Mount Vernon: 46/100
Dundas is 21 points higher.
Dundas: Lightning exposure derived from ingested climatology tiles.
Mount Vernon: Lightning exposure derived from ingested climatology tiles.
Tornado
Dundas: 8/100 · Mount Vernon: 15/100
Mount Vernon is 7 points higher.
Dundas: Tornado risk derived from NOAA SPC historical reports.
Mount Vernon: Tornado risk derived from NOAA SPC historical reports.
Hail
Dundas: 26/100 · Mount Vernon: 29/100
Mount Vernon is 3 points higher.
Dundas: Hail risk derived from NOAA SPC historical reports.
Mount Vernon: Hail risk derived from NOAA SPC historical reports.
Storm surge
Dundas: Unavailable · Mount Vernon: Unavailable
A score difference cannot be calculated without both sources.
Dundas: Storm surge model is not available for this location yet.
Mount Vernon: Storm surge model is not available for this location yet.
Wildfire
Dundas: 16/100 · Mount Vernon: 19/100
Mount Vernon is 3 points higher.
Dundas: Wildfire exposure derived from ingested fire potential tiles.
Mount Vernon: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Dundas: 30/100 · Mount Vernon: 30/100
No gap.
Dundas: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Mount Vernon: Air quality signal derived from the latest EPA AirNow combined AQI grid.