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| Region | Site | Units | 8-Hour | Hour Of Day | 1-Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Portland Metro | Carus Spangler Road | ppb | 28 | 01 AM | 27 | 01 AM |
| Willamette Valley | Eugene Amazon Park | ppb | 27 | 01 AM | 31 | 02 AM |
| Willamette Valley | Eugene Saginaw | ppb | 26 | 01 AM | 26 | 01 AM |
| NE Oregon | Hermiston Municipal Airport | ppb | 30 | 01 AM | 41 | 02 AM |
| Portland Metro | Portland SE Lafayette | ppb | 23 | 01 AM | 26 | 02 AM |
| Willamette Valley | Salem State Hospital | ppb | 30 | 01 AM | 33 | 01 AM |
| Portland Metro | Sauvie Island | ppb | 26 | 01 AM | 25 | 01 AM |
| SW Oregon | Talent | ppb | 34 | 01 AM | 37 | 02 AM |
| Portland Metro | Tualatin Bradbury Court | ppb | 23 | 01 AM | 25 | 02 AM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 23 | 01 AM | 24 | 02 AM |
