City vs city
Petersburg vs Rockford, IL
Petersburg currently scores 1 points higher overall than Rockford, with the largest gap in flood.
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
Petersburg: 41/100 · Rockford: 40/100
Petersburg is 1 points higher.
Flood
Petersburg: 54/100 · Rockford: 39/100
Petersburg is 15 points higher.
Petersburg: FEMA NFHL flood zones: 4 features intersect this tile.
Rockford: FEMA NFHL flood zones: 6 features intersect this tile.
Wind
Petersburg: 16/100 · Rockford: 16/100
No gap.
Petersburg: Wind exposure derived from ingested design wind / climatology tiles.
Rockford: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Petersburg: 61/100 · Rockford: 56/100
Petersburg is 5 points higher.
Petersburg: Lightning exposure derived from ingested climatology tiles.
Rockford: Lightning exposure derived from ingested climatology tiles.
Tornado
Petersburg: 4/100 · Rockford: 15/100
Rockford is 11 points higher.
Petersburg: Tornado risk derived from NOAA SPC historical reports.
Rockford: Tornado risk derived from NOAA SPC historical reports.
Hail
Petersburg: 91/100 · Rockford: 100/100
Rockford is 9 points higher.
Petersburg: Hail risk derived from NOAA SPC historical reports.
Rockford: Hail risk derived from NOAA SPC historical reports.
Storm surge
Petersburg: Unavailable · Rockford: Unavailable
A score difference cannot be calculated without both sources.
Petersburg: Storm surge model is not available for this location yet.
Rockford: Storm surge model is not available for this location yet.
Wildfire
Petersburg: 30/100 · Rockford: 26/100
Petersburg is 4 points higher.
Petersburg: Wildfire exposure derived from ingested fire potential tiles.
Rockford: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Petersburg: 28/100 · Rockford: 26/100
Petersburg is 2 points higher.
Petersburg: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Rockford: Air quality signal derived from the latest EPA AirNow combined AQI grid.