As of 5:14 PM MDT on September 19, 2024, all 31 cities in Boulder County, CO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Nederland, CO with a reading of 1.5.
Over the next 24 hours, the highest UV Index reading in Boulder County, CO is expected to be 7.9 in Nederland between 1:00 PM - 2:00 PM MDT tomorrow.
Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
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Color | |||||
Risk | Low | Moderate | High | Very High | Extreme |