Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | ||||
| Portland Metro | Carus Spangler Road | ppb | 42.2 | 08 PM | 44.3 | 05 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 46.7 | 08 PM | 50 | 02 PM |
| Willamette Valley | Eugene Saginaw | ppb | 43.8 | 07 PM | 48 | 03 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 42 | 07 PM | 44.2 | 05 PM |
| Portland Metro | Portland SE Lafayette | ppb | 41.9 | 09 PM | 43.9 | 04 PM |
| Willamette Valley | Salem State Hospital | ppb | 43.9 | 08 PM | 47.3 | 05 PM |
| Portland Metro | Sauvie Island | ppb | 39.8 | 07 PM | 41.2 | 04 PM |
| SW Oregon | Talent | ppb | 50.8 | 06 PM | 55.7 | 01 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 43.9 | 09 PM | 46.3 | 04 PM |
