Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Portland Metro | Carus Spangler Road | ppb | 33 | 06 PM | 37.7 | 02 PM |
| Willamette Valley | Eugene Amazon Park | ppb | ||||
| Willamette Valley | Eugene Saginaw | ppb | 24.1 | 07 PM | 27 | 06 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 48.6 | 06 PM | 52 | 05 PM |
| Portland Metro | Portland SE Lafayette | ppb | 30.9 | 06 PM | 36.1 | 01 PM |
| Willamette Valley | Salem State Hospital | ppb | 28.5 | 05 PM | 30.2 | 03 PM |
| Portland Metro | Sauvie Island | ppb | 24.4 | 05 PM | 26.2 | 04 PM |
| SW Oregon | Talent | ppb | 40.7 | 06 PM | 44.5 | 05 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 26.5 | 05 PM | 28.7 | 11 AM |
