Advisories:
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| Region | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Central Oregon | Bend Road Department | ppb | 52.2 | 08 PM | 56.9 | 05 PM |
| Portland Metro | Carus Spangler Road | ppb | 51.8 | 07 PM | 57.1 | 04 PM |
| Willamette Valley | Eugene Amazon Park | ppb | 40.8 | 09 PM | 44 | 05 PM |
| Willamette Valley | Eugene Saginaw | ppb | 39.8 | 08 PM | 45.6 | 06 PM |
| NE Oregon | Hermiston Municipal Airport | ppb | 45.1 | 01 AM | 44.3 | 03 PM |
| Portland Metro | Portland SE Lafayette | ppb | 41.3 | 06 PM | 47.2 | 04 PM |
| Willamette Valley | Salem State Hospital | ppb | 47.6 | 07 PM | 56.1 | 05 PM |
| Portland Metro | Sauvie Island | ppb | 30.8 | 06 PM | 36 | 03 PM |
| Willamette Valley | Silverton James and Western | ppb | 48.8 | 07 PM | 55.1 | 05 PM |
| SW Oregon | Talent | ppb | 48.4 | 08 PM | 53.8 | 06 PM |
| Portland Metro | Tualatin Bradbury Court | ppb | 43 | 08 PM | 48.4 | 02 PM |
| Willamette Valley | Turner Cascade Junior HS | ppb | 46.8 | 08 PM | 53.9 | 05 PM |
