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| Region | Site | Units | Max | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Central Oregon | Bend NE 8th & Emerson Sensors | µg/m³ | 4.5 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |||||||||
| Central Oregon | Bend Pump Station | µg/m³ | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.1 | 7.8 | 7.5 | 7.3 | 7.2 | 7.2 | 7.3 | 7.3 | 7.4 | 7.5 | |||||||||
| Central Oregon | Burns Washington Street | µg/m³ | 7.6 | 7.1 | 7.2 | 7.3 | 7.5 | 7.6 | 7.5 | 7.5 | 7.6 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | |||||||||
| Central Oregon | John Day Dayton Street | µg/m³ | 22.6 | 22 | 21.5 | 20.9 | 20.6 | 20.7 | 21.1 | 21.6 | 22.2 | 22.5 | 22.5 | 22.6 | 22.5 | 22.5 | 22.6 | 22.4 | |||||||||
| Central Oregon | La Pine Rural Fire Dept 103 | µg/m³ | 18.7 | 9.3 | 10.4 | 11.8 | 12.8 | 13.7 | 15 | 16.2 | 17.2 | 18.2 | 18.5 | 18.5 | 18.5 | 18.6 | 18.7 | 18.7 | |||||||||
| Central Oregon | Madras Westside Elementary | µg/m³ | 12.6 | 12.6 | 12.2 | 12.1 | 11.8 | 11.6 | 11.4 | 11.1 | 11.2 | 11.1 | 11.2 | 11.3 | 11.4 | 11.5 | 11.7 | 12 | |||||||||
| Central Oregon | Prineville Davidson Park | µg/m³ | 17.6 | 12.8 | 12.5 | 12.3 | 12.6 | 12.9 | 13.8 | 14.7 | 15.1 | 16.5 | 17.6 | 17.4 | 17.3 | 17.2 | 17.2 | 17.2 | |||||||||
| Central Oregon | Redmond High School | µg/m³ | 4 | 4 | 3.9 | 3.7 | 3.6 | 3.5 | 3.5 | 3.3 | 3.2 | 3.2 | 3 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | |||||||||
| Central Oregon | Sisters Forest Service | µg/m³ | 4 | 3.9 | 3.9 | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.7 | 3.5 | 3.6 | 3.8 | 3.9 | 4 | 4 | |||||||||
| Columbia Gorge | Hood River West Side Fire Department | µg/m³ | 9.9 | 9.5 | 9.2 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.4 | 9.5 | 9.6 | 9.7 | 9.7 | 9.8 | 9.9 | |||||||||
| Columbia Gorge | The Dalles Cherry Heights School | µg/m³ | 7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 6.9 | 7 | 7 | 7 | |||||||||
| Eastern Oregon | Ontario May Roberts Elementary School | µg/m³ | 13.1 | 10.4 | 11.1 | 11.8 | 12.1 | 12.5 | 13 | 12.9 | 12.8 | 12.2 | 12.1 | 12.4 | 12.7 | 12.9 | 13.1 | 13.1 | |||||||||
| NE Oregon | Baker City Forest Service | µg/m³ | 8.6 | 8.1 | 7.9 | 7.7 | 7.7 | 7.7 | 7.9 | 8 | 8 | 8.1 | 8.2 | 8.2 | 8.3 | 8.4 | 8.5 | 8.6 | |||||||||
| NE Oregon | Cove City Hall | µg/m³ | 5.7 | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | 5.2 | 5.2 | 5.1 | 4.9 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | |||||||||
| NE Oregon | Enterprise Forest Service | µg/m³ | 11 | 10 | 10.1 | 10.6 | 10.9 | 10.9 | 10.9 | 11 | 10.9 | 10.8 | 10.8 | 10.8 | 10.8 | 10.6 | 10.6 | 10.6 | |||||||||
| NE Oregon | Hermiston Municipal Airport | µg/m³ | 11 | 9.1 | 9.2 | 9.3 | 9.5 | 9.7 | 10.1 | 10.2 | 10.3 | 10.4 | 10.3 | 10.5 | 10.7 | 10.9 | 10.9 | 11 | |||||||||
| NE Oregon | La Grande Hall and N | µg/m³ | 6.7 | 6.4 | 6.5 | 6.6 | 6.7 | 6.6 | 6.6 | 6.5 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | |||||||||
| NE Oregon | Pendleton McKay Creek | µg/m³ | 15 | 12.2 | 12.6 | 12.8 | 13.1 | 13.7 | 14 | 14.2 | 14.1 | 14.2 | 14.5 | 14.7 | 14.8 | 14.9 | 15 | 15 | |||||||||
| None | Estacada Clackamas River Sc | µg/m³ | 15.8 | 14.5 | 14.3 | 14.2 | 13.8 | 13.4 | 13.6 | 13.5 | 13.3 | 14.2 | 14.8 | 15.2 | 15.4 | 15.5 | 15.6 | 15.8 | |||||||||
| Oregon Coast | Coos Bay Marshfield HS | µg/m³ | 8.7 | 6.2 | 6.1 | 5.9 | 5.8 | 5.8 | 5.8 | 6.2 | 6.7 | 7.4 | 8 | 8.2 | 8.3 | 8.5 | 8.5 | 8.7 | |||||||||
| Oregon Coast | Florence Forestry Department | µg/m³ | 4.1 | 4 | 4 | 4 | 3.9 | 3.9 | 3.9 | 3.9 | 3.8 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4 | 4.1 | |||||||||
| Oregon Coast | Tillamook Forestry Dept | µg/m³ | 7.3 | 4.4 | 4.7 | 4.9 | 5.1 | 5.1 | 5.4 | 5.5 | 6 | 6.4 | 6.6 | 6.9 | 7.1 | 7.2 | 7.2 | 7.3 | |||||||||
| Portland Metro | Beaverton Highland Park | µg/m³ | 9.7 | 5.8 | 6.1 | 6.3 | 6.6 | 6.9 | 7.3 | 7.5 | 7.8 | 8.2 | 8.6 | 8.8 | 9 | 9.2 | 9.4 | 9.7 | |||||||||
| Portland Metro | Carus Spangler Road | µg/m³ | 5.8 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.4 | 4.5 | 4.6 | 4.8 | 5 | 5.3 | 5.5 | 5.8 | |||||||||
| Portland Metro | Forest Grove Pacific University | µg/m³ | 12.4 | 12.2 | 12.4 | 12 | 11.7 | 11.6 | 11.6 | 11.1 | 10.8 | 10.6 | 10.4 | 9.9 | 9.9 | 10 | 10.1 | 10.3 | |||||||||
| Portland Metro | Hillsboro Hare Field | µg/m³ | 15.5 | 11.4 | 11.3 | 11.2 | 11.7 | 12 | 12.4 | 13.1 | 13.6 | 14.1 | 14.4 | 14.6 | 14.8 | 15 | 15.3 | 15.5 | |||||||||
| Portland Metro | Portland Cully Helensview | µg/m³ | 10.8 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9 | 9.3 | 9.4 | 9.8 | 10.1 | 10.5 | 10.8 | |||||||||
| Portland Metro | Portland Humboldt Sensors | µg/m³ | 10.8 | 9 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.4 | 9.4 | 9.5 | 9.6 | 9.7 | 9.8 | 10 | 10.4 | 10.8 | |||||||||
| Portland Metro | Portland SE Lafayette | µg/m³ | 14.5 | 8.7 | 8.9 | 9.1 | 9.6 | 10.2 | 10.9 | 11.6 | 12.2 | 12.8 | 12.9 | 13.1 | 13.5 | 13.8 | 14.2 | 14.5 | |||||||||
| Portland Metro | Sauvie Island | µg/m³ | 7.8 | 7 | 7 | 7 | 7 | 7 | 6.9 | 7 | 7 | 7.2 | 7.3 | 7.3 | 7.3 | 7.4 | 7.6 | 7.8 | |||||||||
| Portland Metro | Tualatin Bradbury Court | µg/m³ | 19.1 | 13.2 | 13.8 | 14.2 | 14.8 | 15.3 | 15.8 | 16.1 | 16.6 | 17.1 | 18 | 18.6 | 19.1 | 18.8 | 18.6 | 18.9 | |||||||||
| SE Oregon | Lakeview Center and M | µg/m³ | 14.6 | 6.4 | 7.6 | 9 | 9.7 | 10.1 | 10.3 | 11.3 | 12.3 | 13.5 | 13.9 | 14.5 | 14.5 | 14.5 | 14.5 | 14.6 | |||||||||
| SW Oregon | Ashland Fire Department | µg/m³ | 3.6 | 3.4 | 3.2 | 3.2 | 3 | 3 | 2.9 | 2.9 | 3 | 3 | 3.1 | 3.2 | 3.2 | 3.3 | 3.4 | 3.6 | |||||||||
| SW Oregon | Cave Junction Forest Service | µg/m³ | 23.3 | 12.2 | 13.7 | 14.8 | 16 | 17 | 18 | 19.2 | 20.6 | 21.4 | 22.1 | 22.5 | 22.9 | 23.1 | 23.2 | 23.3 | |||||||||
| SW Oregon | Grants Pass Parkside School | µg/m³ | 14 | 8.7 | 9.2 | 9.6 | 10 | 10.4 | 10.8 | 11.1 | 11.5 | 12 | 12.6 | 13.1 | 13.4 | 13.6 | 13.8 | 14 | |||||||||
| SW Oregon | Klamath Falls Peterson School | µg/m³ | 16.4 | 9.4 | 10.5 | 11.6 | 12.7 | 13.3 | 13.8 | 14.2 | 14.8 | 15.6 | 16 | 16.3 | 16.4 | 15.9 | 16 | 16.1 | |||||||||
| SW Oregon | Medford Welch and Jackson | µg/m³ | 12.8 | 11.3 | 11.7 | 12 | 12 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.2 | 12.2 | 12.3 | 12.6 | 12.7 | 12.8 | |||||||||
| SW Oregon | Provolt Seed Orchard | µg/m³ | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 | 7 | 7 | 7 | 7 | 7.1 | 7.1 | 6.9 | 6.9 | 6.8 | 6.9 | 7 | |||||||||
| SW Oregon | Roseburg Garden Valley | µg/m³ | 12.2 | 8.8 | 9.1 | 9.4 | 9.8 | 10.1 | 10.3 | 10.5 | 10.6 | 10.8 | 11.1 | 11.3 | 11.7 | 11.9 | 12.2 | 12.2 | |||||||||
| SW Oregon | Shady Cove School | µg/m³ | 3.6 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.5 | 3.4 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.2 | 3.3 | 3.3 | |||||||||
| SW Oregon | Talent | µg/m³ | 5 | 5 | 4.7 | 4.4 | 4.3 | 4.1 | 3.8 | 3.7 | 3.3 | 2.9 | 3 | 3 | 3.1 | 3.3 | 3.3 | 3.4 | |||||||||
| Willamette Valley | Albany Calapooia School | µg/m³ | 17.5 | 13 | 13.8 | 14.9 | 15.3 | 16 | 16.3 | 16.8 | 16.9 | 16.4 | 16.3 | 16.5 | 16.7 | 16.9 | 17.2 | 17.5 | |||||||||
| Willamette Valley | Corvallis Circle Blvd | µg/m³ | 11.5 | 9 | 9.1 | 9.4 | 9.5 | 9.4 | 9.4 | 9.5 | 9.6 | 9.6 | 9.7 | 9.8 | 10 | 10.4 | 11 | 11.5 | |||||||||
| Willamette Valley | Corvallis EPA Office | µg/m³ | 4.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.5 | 3.6 | 3.8 | 4.2 | 4.6 | 4.9 | |||||||||
| Willamette Valley | Cottage Grove City Shops | µg/m³ | 15.7 | 14.4 | 14.6 | 14.7 | 14.7 | 14.8 | 14.9 | 15 | 15.1 | 15.3 | 15.5 | 15.6 | 15.7 | 15.7 | 15.7 | 15.7 | |||||||||
| Willamette Valley | Dallas LaCreole Middle School | µg/m³ | 7.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.3 | 5.4 | 5.7 | 5.9 | 6 | 6.2 | 6.5 | 6.6 | 6.8 | 7.1 | 7.4 | |||||||||
| Willamette Valley | Eugene Amazon Park | µg/m³ | 18.4 | 17.8 | 17.6 | 17.4 | 17.5 | 17.5 | 17.5 | 17.5 | 17.8 | 18.3 | 18.4 | 18.2 | 18 | 17.7 | 17.3 | 17 | |||||||||
| Willamette Valley | Eugene Highway 99 | µg/m³ | 20.8 | 15.4 | 16.5 | 17.3 | 18.7 | 19.5 | 20.1 | 20.4 | 20.5 | 20.8 | 20.6 | 20.8 | 20.7 | 20.5 | 20.5 | 20.7 | |||||||||
| Willamette Valley | Eugene Wilkes Drive | µg/m³ | 14.2 | 14 | 13.8 | 13.7 | 13.6 | 13.6 | 13.8 | 13.9 | 14.2 | 14.1 | 13.9 | 13.7 | 13.4 | 12.9 | 12.4 | 12.3 | |||||||||
| Willamette Valley | Lyons Marilynn School | µg/m³ | 13.3 | 11.6 | 11.7 | 11.8 | 11.9 | 11.9 | 11.9 | 12.5 | 13 | 13.3 | 13.1 | 13 | 12.9 | 12.9 | 12.8 | 12.9 | |||||||||
| Willamette Valley | Mill City | µg/m³ | 18.6 | 18 | 18.2 | 18.4 | 18.6 | 18.4 | 17.7 | 17.3 | 17.2 | 17.4 | 17.6 | 17.7 | 17.7 | 17.7 | 17.7 | 17.8 | |||||||||
| Willamette Valley | Oakridge | µg/m³ | 33.5 | 22.1 | 24 | 25.6 | 26.3 | 27.4 | 28.3 | 29.4 | 30.9 | 32.4 | 33.3 | 33.4 | 33.4 | 33.4 | 33.4 | 33.5 | |||||||||
| Willamette Valley | Salem State Hospital | µg/m³ | 13.4 | 10.9 | 11.3 | 11.6 | 11.8 | 12 | 12.1 | 12.2 | 12.3 | 12.4 | 12.4 | 12.5 | 12.6 | 12.9 | 13.1 | 13.4 | |||||||||
| Willamette Valley | Silverton James and Western | µg/m³ | 8.8 | 8.7 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.5 | 8.4 | 8.4 | 8.5 | 8.6 | 8.7 | 8.6 | 8.6 | 8.8 | |||||||||
| Willamette Valley | Springfield City Hall | µg/m³ | 12.3 | 11.5 | 11.9 | 12.1 | 12.1 | 12 | 12.2 | 12.3 | 12.3 | 12.3 | 11.9 | 11.7 | 11.8 | 11.6 | 11.4 | 11.4 | |||||||||
| Willamette Valley | Sweet Home Fire Department | µg/m³ | 11.8 | 11 | 11.1 | 11.2 | 11.3 | 11.1 | 11.1 | 11.3 | 11.3 | 11.3 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 | 11.8 | |||||||||
| Willamette Valley | Turner Cascade Junior HS | µg/m³ | 11.6 | 10.1 | 10.2 | 10.3 | 10.4 | 10.6 | 10.6 | 10.7 | 10.8 | 10.9 | 11 | 11.1 | 11.3 | 11.3 | 11.4 | 11.6 |
