As of 4:05 PM AKST on February 6, 2026, all 38 cities in Yukon-Koyukuk Census Area, AK in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Holy Cross, AK with a reading of 0.2.
Over the next 24 hours, the highest UV Index reading in Yukon-Koyukuk Census Area, AK is expected to be 0.4 in Holy Cross between 2:00 PM - 3:00 PM AKST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |