Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | 50.6 | 09 PM | 52.5 | 03 PM |
| Portland Metro | Carus Spangler Road | ppb | 51.2 | 08 PM | 67.9 | 06 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 40.9 | 07 PM | 43.9 | 12 PM |
| Willamette Valley | Eugene Saginaw | ppb | 44.5 | 07 PM | 56.9 | 02 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 52.6 | 01 AM | 55.2 | 02 AM |
| Portland Metro | Portland SE Lafayette | ppb | 43 | 08 PM | 56.8 | 03 PM |
| Willamette Valley | Salem State Hospital | ppb | 41.8 | 05 PM | 47.5 | 02 PM |
| Portland Metro | Sauvie Island | ppb | 34.9 | 07 PM | 43.6 | 04 PM |
| Willamette Valley | Silverton James and Western | ppb | 43.9 | 08 PM | 48.9 | 07 PM |
| SW Oregon | Talent | ppb | 47.2 | 07 PM | 49.9 | 01 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 44.7 | 08 PM | 58 | 04 PM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 43.9 | 07 PM | 55.4 | 04 PM |
