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 | 28.8 | 02 PM | 34.1 | 12 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 33.7 | 06 AM | 37.5 | 04 AM |
| Willamette Valley | Eugene Saginaw | ppb | 33.2 | 05 AM | 34.5 | 05 AM |
| NE Oregon | Hermiston Municipal Airport | ppb | 35.1 | 02 PM | 40.5 | 11 AM |
| Portland Metro | Portland SE Lafayette | ppb | 26.3 | 02 PM | 35.6 | 12 PM |
| Willamette Valley | Salem State Hospital | ppb | 36.5 | 02 PM | 40.8 | 12 PM |
| Portland Metro | Sauvie Island | ppb | 32.8 | 02 PM | 38.6 | 11 AM |
| Willamette Valley | Silverton James and Western | ppb | ||||
| SW Oregon | Talent | ppb | 46.8 | 09 AM | 50.8 | 03 AM |
| Portland Metro | Tualatin Bradbury Court | ppb | 26.8 | 02 PM | 33 | 11 AM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 34.3 | 02 PM | 39 | 11 AM |
