As of 3:13 PM MST on February 19, 2026, out of 461 cities in Arizona in our database, 363 cities (79%) have a UV Index reading of Low, while 98 cities (21%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Yuma, AZ with a reading of 2.7.
Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 5.9 in Naco 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 |