As of 2:11 PM CDT on May 22, 2026, out of 11 cities in Smith County, TX in our database, 8 cities (73%) have a UV Index reading of Very High, while 3 cities (27%) have a UV Index reading of High. The city with the highest UV Index reading right now is Emerald Bay, TX with a reading of 8.4.
Over the next 24 hours, the highest UV Index reading in Smith County, TX is expected to be 9 in Tyler between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |