As of 12:36 PM MST on November 4, 2025, all 1 cities in Broomfield County, CO in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Broomfield, CO with a reading of 3.5.
Over the next 24 hours, the highest UV Index reading in Broomfield County, CO is expected to be 3.5 in Broomfield between 12:00 PM - 1:00 PM MST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |