Site | State | PM AQI* (ug/m3) |
Custer-Loomis (SO-AQS) | WA | 9 |
Seattle-Duwamish | WA | 9 |
Cove - City Hall | OR | 7 |
Winthrop-Chewuch Rd | WA | 7 |
Seattle-South Park | WA | 7 |
Seattle-10th & Weller | WA | 6 |
Eugene - Wilkes Dr. | OR | 6 |
Eugene - Highway 99 | OR | 6 |
Portland Near Road | OR | 6 |
Eugene - Amazon Park | OR | 6 |