Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | 53.6 | 05 PM | 65 | 12 PM |
| Portland Metro | Carus Spangler Road | ppb | 35.7 | 06 PM | 39.7 | 03 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 37.1 | 06 PM | 43 | 03 PM |
| Willamette Valley | Eugene Saginaw | ppb | 41.5 | 07 PM | 46.5 | 03 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 43.3 | 07 PM | 47.1 | 02 PM |
| Portland Metro | Portland SE Lafayette | ppb | 29.2 | 05 PM | 30.6 | 02 PM |
| Willamette Valley | Salem State Hospital | ppb | 32.7 | 05 PM | 36 | 03 PM |
| Portland Metro | Sauvie Island | ppb | 27.2 | 08 PM | 27.6 | 07 PM |
| Willamette Valley | Silverton James and Western | ppb | 35.8 | 06 PM | 37.6 | 05 PM |
| SW Oregon | Talent | ppb | 46 | 07 PM | 49.7 | 03 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 26.8 | 08 PM | 31.3 | 02 PM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 36 | 05 PM | 39.1 | 02 PM |
