Peak UV index by city
| City | Population | Peak UV | Exposure | UV 3+ hours |
|---|---|---|---|---|
| Portland | 635,109 | 2 | Low | Below 3 all day |
| Salem | 181,779 | 2 | Low | Below 3 all day |
| Eugene | 178,618 | 2 | Low | Below 3 all day |
| Gresham | 111,513 | 2 | Low | Below 3 all day |
| Hillsboro | 111,126 | 2 | Low | Below 3 all day |
| Bend | 107,342 | 2 | Low | Below 3 all day |
| Beaverton | 97,842 | 2 | Low | Below 3 all day |
| Medford | 86,494 | 2 | Low | Below 3 all day |
| Corvallis | 61,499 | 2 | Low | Below 3 all day |
| Springfield | 61,431 | 2 | Low | Below 3 all day |
| Tigard | 57,929 | 2 | Low | Below 3 all day |
| Albany | 56,894 | 3 | Moderate | 11 AM–2 PM |
| Lake Oswego | 39,722 | 2 | Low | Below 3 all day |
| Grants Pass | 39,239 | 2 | Low | Below 3 all day |
| Keizer | 39,140 | 2 | Low | Below 3 all day |
| Redmond | 38,547 | 2 | Low | Below 3 all day |
| Oregon City | 38,175 | 2 | Low | Below 3 all day |
| McMinnville | 34,647 | 2 | Low | Below 3 all day |
| Woodburn | 31,948 | 2 | Low | Below 3 all day |
| Happy Valley | 28,916 | 2 | Low | Below 3 all day |
| Tualatin | 28,139 | 2 | Low | Below 3 all day |
| Wilsonville | 27,833 | 2 | Low | Below 3 all day |
| Forest Grove | 27,252 | 2 | Low | Below 3 all day |
| Newberg | 26,896 | 2 | Low | Below 3 all day |
| West Linn | 26,567 | 2 | 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.
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