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 | 41.1 | 09 PM | 45.5 | 06 PM |
| Willamette Valley | Eugene Amazon Park | ppb | ||||
| Willamette Valley | Eugene Saginaw | ppb | 29.6 | 08 PM | 35 | 07 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 43 | 08 PM | 45.8 | 06 PM |
| Portland Metro | Portland SE Lafayette | ppb | 35.7 | 08 PM | 41.6 | 04 PM |
| Willamette Valley | Salem State Hospital | ppb | 32.4 | 07 PM | 37.1 | 02 PM |
| Portland Metro | Sauvie Island | ppb | 27.1 | 08 PM | 29.6 | 03 PM |
| SW Oregon | Talent | ppb | 41.1 | 08 PM | 47 | 04 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 30.1 | 08 PM | 32.7 | 05 PM |
