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 | 32.5 | 08 PM | 37.1 | 05 PM |
| Willamette Valley | Eugene Amazon Park | ppb | ||||
| Willamette Valley | Eugene Saginaw | ppb | 25.6 | 06 PM | 28 | 12 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 37.7 | 01 AM | 38.4 | 10 PM |
| Portland Metro | Portland SE Lafayette | ppb | 31.4 | 08 PM | 34.9 | 06 PM |
| Willamette Valley | Salem State Hospital | ppb | 28.6 | 10 PM | 31.8 | 07 PM |
| Portland Metro | Sauvie Island | ppb | 30.4 | 09 PM | 34.1 | 05 PM |
| SW Oregon | Talent | ppb | 37.9 | 04 PM | 46.8 | 01 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 27.9 | 08 PM | 32.3 | 03 PM |
