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| Region | Site | Units | 8-Hour | Hour Of Day | 1-Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Portland Metro | Carus Spangler Road | ppb | 36 | 07 PM | 43 | 05 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 28 | 05 PM | 34 | 04 PM |
| Willamette Valley | Eugene Saginaw | ppb | 27 | 06 PM | 32 | 04 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 44 | 07 PM | 48 | 04 PM |
| Portland Metro | Portland SE Lafayette | ppb | 38 | 06 PM | 44 | 03 PM |
| Willamette Valley | Salem State Hospital | ppb | 34 | 06 PM | 38 | 02 PM |
| Portland Metro | Sauvie Island | ppb | 34 | 06 PM | 39 | 02 PM |
| SW Oregon | Talent | ppb | 36 | 06 PM | 40 | 12 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 31 | 06 PM | 33 | 03 PM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 34 | 06 PM | 41 | 04 PM |
