As of 1:37 PM AKDT on July 21, 2026, out of 355 cities in Alaska in our database, 188 cities (53%) have a UV Index reading of Low, 150 cities (42%) have a UV Index reading of Moderate, while 17 cities (5%) have a UV Index reading of High. The city with the highest UV Index reading right now is Hyder, AK with a reading of 6.9.
Over the next 24 hours, the highest UV Index reading in Alaska is expected to be 6.9 in Atka between 2:00 PM - 3:00 PM HADT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |