As of 11:35 AM MST on June 4, 2026, all 11 cities in Graham County, AZ in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Bylas, AZ with a reading of 9.3.
Over the next 24 hours, the highest UV Index reading in Graham County, AZ is expected to be 10.4 in Pima 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 |