As of 2:21 PM EDT on May 16, 2026, out of 1254 cities in Ohio in our database, 533 cities (43%) have a UV Index reading of High, 485 cities (39%) have a UV Index reading of Moderate, 140 cities (11%) have a UV Index reading of Very High, while 96 cities (8%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Ashtabula, OH with a reading of 8.1.
Over the next 24 hours, the highest UV Index reading in Ohio is expected to be 8.8 in Ironton between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |