Advisories:
.png)
| 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 | 31.6 | 28.1 | 24.1 | 21.2 | 19.6 | 18.1 | 16.7 | 16.4 | 18.9 | 21.6 | 25.7 | 29.9 | 34.3 | 39.4 | 43.3 | 46.6 | 49.1 | 50.2 | 50.8 | 50.8 | 50 | 46 | 42.6 | 38.2 |
| Portland Metro | Carus Spangler Road | ppb | 41.2 | 38.9 | 36.8 | 34.5 | 31.9 | 29.3 | 27.3 | 26.3 | 26.3 | 26.2 | 26.1 | 27.1 | 29.6 | 33.6 | 37.6 | 41.1 | 44 | 46.7 | 48.9 | 50.1 | 50.1 | 48.9 | 47.1 | 44.9 |
| Portland Metro | Portland SE Lafayette | ppb | 38.1 | 35.1 | 31.2 | 27.1 | 22.8 | 18.5 | 15.6 | 13.8 | 13.4 | 14.1 | 16.5 | 20.3 | 25.4 | 30.9 | 35.6 | 39.1 | 41.8 | 44.2 | 45.9 | 46.3 | 46.2 | 45.3 | 44.3 | 42.7 |
| Portland Metro | Tualatin Bradbury Court | ppb | 32.7 | 29.2 | 24.8 | 20.8 | 17.2 | 13.2 | 10 | 8.5 | 8.2 | 9.9 | 12.7 | 16.5 | 22.2 | 27.9 | 33.1 | 36.8 | 40.1 | 42 | 43.6 | 44.2 | 43.4 | 42.6 | 40.3 | 37 |
| Willamette Valley | Eugene Amazon Park | ppb | 32.4 | 28.5 | 24.5 | 20.3 | 17.4 | 13.9 | 13.1 | 12.7 | 13.3 | 15.4 | 18.2 | 22.1 | 26.8 | 32 | 36.1 | 39.5 | 42.3 | 44.9 | 46.7 | 47.2 | 44.8 | 42.1 | 38.5 | 34.3 |
| Willamette Valley | Eugene Saginaw | ppb | 28 | 24.4 | 20.6 | 17.3 | 14.4 | 12.7 | 11.4 | 11.6 | 12.9 | 14.5 | 17.4 | 20.6 | 24.7 | 29.7 | 34.6 | 38.7 | 41.8 | 44.2 | 45.9 | 46.8 | 45.1 | 41.8 | 38.1 | 33.6 |
| Willamette Valley | Salem State Hospital | ppb | 33.3 | 29.6 | 25.9 | 22.5 | 19.5 | 16.2 | 14.3 | 14.8 | 16.1 | 18.1 | 20.9 | 24.6 | 28.9 | 34.1 | 38.3 | 41.1 | 43.9 | 46.7 | 48.7 | 48.8 | 46.3 | 43.1 | 40.3 | 37.7 |
| Willamette Valley | Turner Cascade Junior HS | ppb | 31.6 | 29.6 | 28 | 26 | 23.9 | 22.1 | 21 | 21.9 | 22.5 | 23 | 23.5 | 24.8 | 27.9 | 32.1 | 36.3 | 39.1 | 42 | 44.6 | 46.8 | 47.3 | 46.8 | 46 | 44.4 | 42.5 |
