As of 5:37 PM MST on June 24, 2025, out of 461 cities in Arizona in our database, 458 cities (99%) have a UV Index reading of Low, while 3 cities (1%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Fort Valley, AZ with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 13.1 in Alpine between 12:00 PM - 1:00 PM MST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |