As of 1:08 PM MST on August 3, 2025, out of 48 cities in Navajo County, AZ in our database, 47 cities (98%) have a UV Index reading of Extreme, while 1 city (2%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is North Fork, AZ with a reading of 12.4.
Over the next 24 hours, the highest UV Index reading in Navajo County, AZ is expected to be 12.4 in North Fork 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 |