As of 12:19 PM PDT on July 22, 2026, out of 46 cities in Plumas County, CA in our database, 24 cities (52%) have a UV Index reading of Extreme, while 22 cities (48%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Graeagle, CA with a reading of 10.7.
Over the next 24 hours, the highest UV Index reading in Plumas County, CA is expected to be 11.5 in Portola between 1:00 PM - 2:00 PM PDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |