As of 10:53 AM CDT on April 24, 2026, out of 488 cities in Louisiana in our database, 390 cities (80%) have a UV Index reading of Moderate, while 98 cities (20%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Venice, LA with a reading of 4.5.
Over the next 24 hours, the highest UV Index reading in Louisiana is expected to be 9.7 in Grand Isle between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |