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 | 29.6 | 28 | 26.3 | 24.1 | 21.8 | 19.4 | 17.1 | 14.7 | 12.4 | 10.3 | 9.5 | 9.6 | 11.2 | 13.5 | 15.5 | 18 | 19.9 | 21.1 | 21.3 | 21.9 | 22.2 | 22.4 | 22.7 | 23.1 |
Portland Metro | Tualatin Bradbury Court | ppb | 27.9 | 26.6 | 24.8 | 23.6 | 22.1 | 19.8 | 17.6 | 15.5 | 13 | 11.9 | 11.6 | 11.7 | 11.8 | 12.5 | 13.5 | 14.2 | 16.1 | 16.6 | 17 | 17.6 | 18.5 | 19.9 | 21.1 | 23.1 |