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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Portland Metro | Carus Spangler Road | ppb | 27.6 | 26.8 | 26 | 25.1 | 24.2 | 23.6 | 23.4 | 23 | 22.7 | 22.9 | 23.7 | 24.9 | 26.7 | 28.5 | 30.5 | 32.7 | 35.2 | 37.1 | 37.8 | 37.6 | 36.6 | 34.7 | 32.4 | 29.9 |
| Portland Metro | Portland SE Lafayette | ppb | 27.6 | 26.3 | 24.5 | 22.1 | 19.2 | 17.1 | 16.2 | 16 | 16.1 | 17 | 18.8 | 21.1 | 24 | 26.9 | 28.9 | 30.2 | 31.3 | 32.2 | 32.5 | 32.5 | 31.6 | 30.2 | 28.6 | 27.1 |
| Portland Metro | Sauvie Island | ppb | 27.3 | 27.3 | 26.3 | 25.4 | 24.3 | 23.2 | 22.2 | 21.9 | 21.9 | 21.6 | 21.8 | 22.8 | 24 | 25.3 | 26.6 | 27.8 | 28.5 | 29 | 29.2 | 28.6 | 27.9 | 27 | 26.2 | 25.2 |
| Portland Metro | Tualatin Bradbury Court | ppb | 24.7 | 23.7 | 22.2 | 20.3 | 17.2 | 15.1 | 13.6 | 12.1 | 11.5 | 12.1 | 13.3 | 15.2 | 18.4 | 21 | 23.4 | 25.8 | 27.5 | 28.3 | 28.5 | 28.3 | 27.4 | 26.1 | 24.3 | 22.3 |
| Willamette Valley | Eugene Amazon Park | ppb | 24 | 23.6 | 24 | 24.3 | 24.3 | 24.2 | 23.7 | 23.2 | 22.8 | 22.5 | 22.8 | 24 | 25.7 | 27.8 | 30.2 | 33 | 36 | 36.7 | 38.7 | 39.7 | 38.5 | 35.8 | 32.8 | 29.8 |
| Willamette Valley | Eugene Saginaw | ppb | 21.2 | 21 | 20.6 | 20.6 | 20.5 | 20.2 | 20.5 | 20.6 | 20.6 | 20.7 | 21.3 | 22.8 | 25.1 | 27.7 | 30 | 32.2 | 34.5 | 36.6 | 38 | 38.6 | 36.7 | 33 | 29 | 24.8 |
| Willamette Valley | Salem State Hospital | ppb | 25.7 | 25.5 | 24.6 | 23.3 | 21.5 | 19.7 | 18.8 | 18.9 | 19.1 | 19.4 | 20.6 | 22.6 | 25.1 | 27.8 | 29.8 | 31.4 | 33.1 | 34.6 | 35.1 | 34 | 32.5 | 30.8 | 29.1 | 26.6 |
