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 | 18.9 | 15.8 | 14.4 | 14.1 | 12.3 | 11.5 | 10.3 | 10.4 | 11.1 | 13.1 | 16.2 | 20.3 | 25.3 | 30.6 | 35.5 | 40 | 44.3 | 46.6 | 47.1 | 45.1 | 41.5 | 36 | 32.5 | 28.5 |
| Portland Metro | Carus Spangler Road | ppb | 34.9 | 34.7 | 34.8 | 34.6 | 32.8 | 30.6 | 28.1 | 25.9 | 24 | 22.9 | 22.6 | 23.3 | 25.9 | 30.2 | 34.9 | 39.8 | 44.4 | 47.8 | 50.1 | 51 | 50.7 | 47.9 | 43.8 | 39 |
| Portland Metro | Portland SE Lafayette | ppb | 22.3 | 19.9 | 17.3 | 15.5 | 14.1 | 13.9 | 14.5 | 13.4 | 12.7 | 13.5 | 16 | 19.1 | 22.7 | 27.2 | 32.2 | 37 | 40.8 | 41.6 | 39.6 | 36.8 | 35.3 | 32.5 | 29 | 24.8 |
| Portland Metro | Sauvie Island | ppb | 16.6 | 13.9 | 12.1 | 11 | 10.9 | 10.6 | 10.4 | 11.1 | 11.7 | 12.5 | 14.4 | 16.6 | 20.1 | 24.1 | 27.8 | 30.9 | 34.3 | 36.6 | 37 | 35.5 | 33.1 | 30.5 | 27.8 | 25.6 |
| Portland Metro | Tualatin Bradbury Court | ppb | 23.3 | 19.3 | 15.4 | 11.6 | 8.3 | 6.3 | 5.6 | 4.6 | 4.9 | 6.9 | 10.1 | 14 | 18.6 | 23.7 | 29.4 | 34.7 | 38.8 | 40.9 | 40.4 | 38.1 | 34.1 | 29.6 | 24.1 | 18.3 |
| SW Oregon | Talent | ppb | 37.7 | 36.8 | 36.4 | 35.5 | 34.8 | 34.3 | 33.5 | 32.5 | 31.6 | 31.3 | 31.5 | 32.8 | 34.6 | 36.7 | 38.9 | 41.1 | 43.1 | 44 | 44.1 | 43.6 | 42.1 | 40.3 | 38.6 | 37.3 |
| Willamette Valley | Eugene Saginaw | ppb | 8.4 | 5.3 | 3.7 | 3.6 | 3.1 | 2.7 | 2.6 | 3 | 4.3 | 6.8 | 9.5 | 12.8 | 16.5 | 21.5 | 26.1 | 30.7 | 34.3 | 34.7 | 33.3 | 30.6 | 27.8 | 23.9 | 20.2 | 16 |
| Willamette Valley | Salem State Hospital | ppb | 16 | 12.2 | 9.2 | 6.7 | 5 | 4 | 2.9 | 2.7 | 4.4 | 7.5 | 11.3 | 15.8 | 21.1 | 26.6 | 32.3 | 37.5 | 40.9 | 42.1 | 41 | 39.1 | 36.5 | 33.5 | 30.2 | 26.7 |
