As of 11:37 PM MST on September 13, 2025, all 43 cities in Maricopa County, AZ in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Maricopa County, AZ is expected to be 9.1 in Kaka between 12:00 PM - 1:00 PM MST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |