As of 5:51 PM MDT on June 6, 2025, out of 8 cities in Ada County, ID in our database, 6 cities (75%) have a UV Index reading of Moderate, while 2 cities (25%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Boise, ID with a reading of 3.1.
Over the next 24 hours, the highest UV Index reading in Ada County, ID is expected to be 9.3 in Garden City between 2:00 PM - 3:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |