As of 5:40 PM PDT on May 13, 2026, out of 1591 cities in California in our database, 961 cities (60%) have a UV Index reading of Moderate, while 630 cities (40%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Happy Camp, CA with a reading of 3.2.
Over the next 24 hours, the highest UV Index reading in California is expected to be 11.1 in Crowley Lake between 1:00 PM - 2:00 PM PDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |