Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | 73.6 | 10 PM | 102.8 | 07 PM |
| Portland Metro | Carus Spangler Road | ppb | 38.8 | 06 PM | 45.1 | 01 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 35.8 | 05 PM | 42.8 | 02 PM |
| Willamette Valley | Eugene Saginaw | ppb | 37.6 | 05 PM | 44.7 | 02 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 46.7 | 03 PM | 51.3 | 01 PM |
| Portland Metro | Portland SE Lafayette | ppb | 33.7 | 05 PM | 41.6 | 02 PM |
| Willamette Valley | Salem State Hospital | ppb | 28.2 | 04 PM | 35.3 | 12 PM |
| Portland Metro | Sauvie Island | ppb | 25.5 | 02 PM | 29.2 | 12 PM |
| Willamette Valley | Silverton James and Western | ppb | 32.9 | 05 PM | 39.5 | 01 PM |
| SW Oregon | Talent | ppb | 47.6 | 01 AM | 51.7 | 05 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 27.5 | 05 PM | 35 | 01 PM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 34.2 | 05 PM | 41.1 | 01 PM |
