As of 1:28 PM MDT on April 1, 2025, out of 5 cities in Union County, NM in our database, 3 cities (60%) have a UV Index reading of Very High, while 2 cities (40%) have a UV Index reading of High. The city with the highest UV Index reading right now is Grenville, NM with a reading of 7.8.
Over the next 24 hours, the highest UV Index reading in Union County, NM is expected to be 7.8 in Grenville between 1:00 PM - 2:00 PM MDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |