As of 1:11 PM MDT on May 22, 2026, out of 9 cities in Garfield County, UT in our database, 4 cities (44%) have a UV Index reading of High, 3 cities (33%) have a UV Index reading of Moderate, while 2 cities (22%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Cannonville, UT with a reading of 8.7.
Over the next 24 hours, the highest UV Index reading in Garfield County, UT is expected to be 8.9 in Tropic between 12:00 PM - 1:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |