Hawaii Disaster Risk
Natural disaster risk data for all 5 counties.
FEMA release
December 2025
Mean county NRI score
75.0
Counties with Data
5
of 5 total
County risk atlas
Hawaii hazard exposure by county
FEMA NRI v1.20 scores on a 0–100 relative scale. Toggle the composite and five selected hazard categories out of FEMA's 18. Flood is the higher of Coastal Flooding and Inland Flooding NRI scores.
Counties
5/5
Mean county NRI score
75.0
Risk layers
6
Highest Risk Counties
All Hawaii Counties
| County | NRI score |
|---|---|
| Honolulu County | 98.8 |
| Hawaii County | 98.5 |
| Maui County | 93.1 |
| Kauai County | 84.4 |
| Kalawao County | 0.1 |
Frequently Asked Questions
How many Hawaii county records are included?
Which FEMA county ratings appear in Hawaii?
How complete are the five selected hazard fields for Hawaii?
Official Ready.gov resource
Continue to Ready.gov for federal emergency-planning information maintained outside RiskByCounty.
Data Source
County data sourced from FEMA National Risk Index v1.20, released December 2025. Values are labeled NRI score (0–100 relative scale). RiskByCounty displays five selected hazard categories out of FEMA's 18; flood is the higher of the Coastal Flooding and Inland Flooding source scores.
RiskByCounty presents county-level source fields and deterministic arithmetic summaries.