Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | 50.5 | 06 PM | 53.7 | 02 PM |
| Portland Metro | Carus Spangler Road | ppb | 43.9 | 06 PM | 48.1 | 02 PM |
| Willamette Valley | Eugene Amazon Park | ppb | ||||
| NE Oregon | Hermiston Municipal Airport | ppb | 47.4 | 05 PM | 48.7 | 04 PM |
| Portland Metro | Portland SE Lafayette | ppb | 41.7 | 01 AM | 44.7 | 02 PM |
| Willamette Valley | Salem State Hospital | ppb | 39.1 | 01 AM | 43.1 | 01 PM |
| Portland Metro | Sauvie Island | ppb | 27.6 | 11 PM | 34.4 | 06 PM |
| SW Oregon | Talent | ppb | 41.3 | 07 PM | 45.3 | 03 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 34.5 | 01 AM | 36.5 | 01 PM |
