Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | 56.7 | 06 PM | 60.1 | 03 PM |
| Portland Metro | Carus Spangler Road | ppb | 45.2 | 08 PM | 50.6 | 06 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 36.5 | 06 PM | 41.6 | 03 PM |
| Willamette Valley | Eugene Saginaw | ppb | 39.2 | 06 PM | 44.2 | 05 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 52.2 | 07 PM | 55.9 | 06 PM |
| Portland Metro | Portland SE Lafayette | ppb | 33.9 | 07 PM | 38.2 | 05 PM |
| Willamette Valley | Salem State Hospital | ppb | 34.2 | 06 PM | 38.3 | 03 PM |
| Portland Metro | Sauvie Island | ppb | 28.3 | 08 PM | 32.4 | 03 PM |
| Willamette Valley | Silverton James and Western | ppb | 40.9 | 06 PM | 46.3 | 03 PM |
| SW Oregon | Talent | ppb | 54.5 | 08 PM | 57.2 | 05 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 38.5 | 07 PM | 42.6 | 06 PM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 39.5 | 06 PM | 43.3 | 04 PM |
