As of 11:34 AM MST on April 19, 2026, out of 461 cities in Arizona in our database, 257 cities (56%) have a UV Index reading of High, 192 cities (42%) have a UV Index reading of Very High, while 12 cities (3%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Alpine, AZ with a reading of 8.7.
Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 9.8 in Eagar between 12:00 PM - 1:00 PM MST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |