As of 4:34 PM PDT on June 3, 2025, out of 1591 cities in California in our database, 916 cities (58%) have a UV Index reading of Moderate, 628 cities (39%) have a UV Index reading of High, while 47 cities (3%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Mineral, CA with a reading of 6.3.
Over the next 24 hours, the highest UV Index reading in California is expected to be 11 in Campo 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 |