As of 1:45 AM AKST on December 8, 2025, all 38 cities in Yukon-Koyukuk Census Area, AK in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Yukon-Koyukuk Census Area, AK is expected to be 0 in Fort Yukon between 4:00 AM - 5:00 AM AKST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |