As of 2:23 AM HST on December 21, 2024, all 52 cities in Hawaii County, HI in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Hawaii County, HI is expected to be 7.5 in Honaunau-Napoopoo between 12:00 PM - 1:00 PM HST today.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |