As of 4:25 PM EST on February 19, 2026, all 4 cities in Alcona County, MI in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Harrisville, MI with a reading of 0.6.
Over the next 24 hours, the highest UV Index reading in Alcona County, MI is expected to be 0.6 in Harrisville between 4:00 PM - 5:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |