
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 | 16.8 | 17.1 | 17.2 | 17.3 | 16.2 | 14.1 | 12 | 9.6 | 8.6 | 8.6 | 8.8 | 8.9 | 10.2 | 12.1 | 13.7 | 14.9 | 14.4 | 13 | 12.4 | 11.3 | ||||
Portland Metro | Tualatin Bradbury Court | ppb | 4.7 | 4.5 | 4.4 | 3.1 | 2.6 | 2.3 | 2.2 | 1.9 | 2 | 2.2 | 2.5 | 3.2 | 3.2 | 4.4 | 5.6 | 6.4 | 6.7 | 6.6 | 6.9 | 6.8 |