Advisories:
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| Region | Site | Units | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NE Oregon | Hermiston Municipal Airport | ppb | 18.7 | 16.1 | 13 | 10.9 | 10.1 | 9.5 | 9.1 | 10.8 | 13.3 | 16.3 | 18.3 | 20.7 | ||||||||||||
| Portland Metro | Carus Spangler Road | ppb | 34 | 33 | 32.2 | 31.2 | 30.8 | 30.3 | 30 | 29.8 | 30.2 | 31 | 31.9 | 32.3 | 32.7 | |||||||||||
| Portland Metro | Portland SE Lafayette | ppb | 28.8 | 29 | 28.5 | 28.2 | 27.9 | 27.4 | 26.7 | 26.3 | 26.2 | 26 | 26.8 | 27.1 | 27.4 | |||||||||||
| Portland Metro | Sauvie Island | ppb | 27.4 | 26.8 | 26.9 | 27 | 26.8 | 26.4 | 26.1 | 25.6 | 25.8 | 25.9 | 26.2 | 25.9 | 25.9 | |||||||||||
| Portland Metro | Tualatin Bradbury Court | ppb | 24.3 | 24.6 | 23.8 | 23.2 | 22.6 | 21.6 | 19.6 | 18.9 | 18.5 | 18.8 | 20 | 20.4 | 21.4 | |||||||||||
| SW Oregon | Talent | ppb | 15.4 | 15.1 | 15.3 | 15.1 | 15.5 | 15.7 | 16 | 16.6 | 17 | 17 | 17.1 | 17.1 | 17.1 | |||||||||||
| Willamette Valley | Salem State Hospital | ppb | 29.2 | 28.3 | 27.6 | 27.3 | 27 | 26.9 | 26.5 | 26.3 | 26.6 | 27.2 | 27.2 | 27.3 |
