Peak UV index by city
| City | Population | Peak UV | Exposure | UV 3+ hours |
|---|---|---|---|---|
| Anchorage | 287,155 | 0 | Low | Below 3 all day |
| Juneau | 31,609 | 0 | Low | Below 3 all day |
| Fairbanks | 31,468 | 0 | Low | Below 3 all day |
UV 3+ hours show the window from the first forecast hour at 3 or above to the end of the last. The EPA recommends sun protection at UV 3 and above. Open a city for its current-hour forecast and hourly chart. Forecast sources and limitations.