Arizona AZ
15 counties ranked by FEMA National Risk Index score. Click any column header to re-sort. Scores are 0–100 percentiles relative to all US counties — blank means Not Applicable or Insufficient Data.
| County | Overall | Wildfire | Inland flood | Coastal flood | Earthquake | Heat wave | Tornado | Hurricane | Hail | Strong wind | Winter wx | Ice storm | Cold wave | Lightning | Drought | Landslide | Avalanche | Tsunami | Volcanic |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maricopa County | 99.9 | 99.6 | 99.9 | — | 96.8 | 100 | 84 | 26.6 | 99.5 | 99.1 | 38.7 | — | 0 | 95.5 | 97.7 | 83.9 | 32.9 | — | — |
| Pima County | 99.1 | 99.7 | 99.5 | — | 91.7 | 99.8 | 37.5 | 18.7 | 91.8 | 82.6 | 80.9 | — | 3.1 | 97.7 | 69.6 | 58.7 | 46.3 | — | — |
| Mohave County | 94.8 | 98.8 | 97.1 | — | 87.1 | 98.6 | 3.3 | 0 | 51.1 | 71.2 | 91.4 | 68.7 | 2.6 | 98 | 20.8 | 67 | 68.6 | — | 60.9 |
| Coconino County | 94.2 | 99.4 | 96.5 | — | 90.4 | 63.9 | 24.3 | 0 | 57.1 | 14.4 | 98.3 | 57.6 | 80.2 | 99.6 | 25.1 | 97.4 | 81.7 | — | 85.7 |
| Pinal County | 93.8 | 98 | 96.4 | — | 79.8 | 98.9 | 37.1 | 18.8 | 82.3 | 75.3 | 15.6 | — | 3.4 | 97 | 95.7 | 50.8 | 26.2 | — | — |
| Yavapai County | 93.7 | 99.6 | 96.1 | — | 85.3 | 85 | 32.7 | 0 | 89.8 | 41.5 | 94.3 | — | 2.8 | 98.9 | 29.4 | 70 | 53.8 | — | 57 |
| Cochise County | 92.8 | 99.2 | 93.8 | — | 78.5 | 99.1 | 10.4 | 34.2 | 15.4 | 69.5 | 21.3 | — | 5 | 97 | 90 | 55.1 | 54.2 | — | — |
| Yuma County | 92.6 | 59.2 | 91 | — | 98.4 | 96.7 | 14 | 22.7 | 16.8 | 61.2 | 1.1 | — | 0 | 43.4 | 74.8 | 45.9 | — | — | 59.9 |
| Gila County | 90.2 | 99.1 | 93.1 | — | 59 | 86.7 | 13.4 | 7.7 | 29.3 | 41.7 | 86 | — | 3 | 94.1 | 24.6 | 77.6 | 58 | — | 9.1 |
| Santa Cruz County | 88.3 | 98.1 | 87.4 | — | 43.5 | 99 | 8.7 | 17.3 | 9.9 | 28.8 | 18.9 | — | 0 | 88.4 | 54.5 | 69.1 | 31 | — | — |
| Navajo County | 88.1 | 98.8 | 89.5 | — | 81.2 | 56.7 | 8 | 0 | 34.8 | 40.1 | 96.8 | 63.3 | 73 | 99.5 | 52 | 94 | 50.9 | — | 53.7 |
| La Paz County | 83.5 | 70.2 | 91.5 | — | 79 | 90.2 | 4.6 | 16.7 | 7.7 | 19.5 | 1.3 | — | 0 | 6.6 | 80.4 | 56.2 | 13.9 | — | 42.7 |
| Apache County | 78.8 | 97.9 | 80.7 | — | 67.7 | 46.7 | 3.6 | 11.7 | 8.6 | 8.3 | 90.6 | 53.9 | 62.7 | 99.1 | 50.3 | 93.5 | 50.7 | — | 57.3 |
| Graham County | 64.6 | 94.3 | 67.9 | — | 47.9 | 95 | 2.7 | 13.7 | 32.4 | 15.2 | 73.7 | — | 3.7 | 93.4 | 79.5 | 42.9 | 54.4 | — | — |
| Greenlee County | 12.4 | 82.5 | 29.6 | — | 22 | 60.4 | 1.2 | 7.4 | 4.1 | 2.4 | 28.5 | — | 3.7 | 77.6 | 31.9 | 63.4 | 43.6 | — | 12.7 |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are percentile rankings among all US counties — see the methodology page for definitions.