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 | Portland SE Lafayette | ppb | 42.8 | 42.6 | 42.1 | 41.3 | 40.2 | 38.5 | 37.5 | 37.1 | 37.1 | 37.3 | 37.9 | 38.8 | 40.1 | 41.9 | 42.8 | 43.2 | 43 | 42.7 | 42.5 | 41.7 | 41 | 39.7 | 38.5 | 37 |
Portland Metro | Tualatin Bradbury Court | ppb | 36.5 | 36.6 | 36.6 | 36.6 | 35.5 | 34.7 | 34.2 | 33.6 | 32.8 | 32.4 | 32.6 | 33.2 | 34.5 | 35.4 | 35.4 | 35.9 | 36.2 | 36.6 | 36.2 | 35.3 | 34.9 | 34.1 | 32.7 | 30.1 |