| # | County | Drought Severity Index |
|---|---|---|
| 1 | Maricopa County | 210.3 |
| 2 | Apache County | 205.9 |
| 3 | Greenlee County | 189.2 |
| 4 | Navajo County | 186.0 |
| 5 | La Paz County | 181.8 |
| 6 | Coconino County | 170.2 |
| 7 | Mohave County | 150.7 |
| 8 | Yuma County | 146.9 |
| 9 | Pinal County | 134.0 |
| 10 | Pima County | 128.4 |
| 11 | Graham County | 125.3 |
| 12 | Yavapai County | 107.4 |
| 13 | Gila County | 100.0 |
| 14 | Cochise County | 8.4 |
| 15 | Santa Cruz County | 5.0 |
Source: U.S. Drought Monitor (13 October 2026). All counties with data are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Counties in the Worst Drought in Arizona”, https://gismap.land/rankings/arizona/worst-drought-counties. Figures from U.S. Drought Monitor (13 October 2026).
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