As of 9:26 AM PDT on August 1, 2025, out of 1591 cities in California in our database, 1191 cities (75%) have a UV Index reading of Moderate, while 400 cities (25%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Big Bear City, CA with a reading of 4.1.
Over the next 24 hours, the highest UV Index reading in California is expected to be 13 in Big Bear City between 1:00 PM - 2:00 PM PDT today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |