Advisories:
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| Region | Site | Units | 24-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| Willamette Valley | Albany Calapooia School | µg/m³ | 3.4 | 02 PM | 5 | 07 AM |
| SW Oregon | Ashland Fire Department | µg/m³ | 4 | 07 AM | 5 | 07 AM |
| NE Oregon | Baker City Forest Service | µg/m³ | 4.7 | 02 PM | 6 | 07 AM |
| Portland Metro | Beaverton Highland Park | µg/m³ | 2.6 | 10 PM | 4.7 | 11 AM |
| Central Oregon | Bend NE 8th & Emerson Sensors | µg/m³ | 5.8 | 10 PM | 24.5 | 06 AM |
| Central Oregon | Bend Pine Ridge Elementary School | µg/m³ | 13 | 12 AM | 53.5 | 06 AM |
| Central Oregon | Bend Ponderosa Elementary School | µg/m³ | 13.1 | 11 PM | 53.3 | 06 AM |
| Central Oregon | Bend Pump Station | µg/m³ | 14.2 | 12 AM | 49.3 | 06 AM |
| Central Oregon | Bend Pump Station | µg/m³ | 49.3 | 06 AM | ||
| Oregon Coast | Brookings CPFA | µg/m³ | 4.2 | 08 AM | 5.4 | 02 AM |
| Central Oregon | Burns Washington Street | µg/m³ | 3.3 | 01 PM | 3.9 | 11 AM |
| Central Oregon | Burns Washington Street | µg/m³ | 4.5 | 12 PM | 3.9 | 11 AM |
| Portland Metro | Carus Spangler Road | µg/m³ | 3.8 | 02 PM | 4.3 | 09 AM |
| SW Oregon | Cave Junction Forest Service | µg/m³ | 6.2 | 01 AM | 6.2 | 01 AM |
| Central Oregon | Chiloquin Duke Drive | µg/m³ | 2.4 | 06 AM | 3.9 | 06 AM |
| Oregon Coast | Coos Bay Marshfield HS | µg/m³ | 3.2 | 05 AM | 4.5 | 04 AM |
| Willamette Valley | Corvallis EPA Office | µg/m³ | 2.5 | 01 AM | 2.9 | 08 AM |
| Willamette Valley | Cottage Grove City Shops | µg/m³ | 7.7 | 02 AM | 25 | 02 AM |
| Willamette Valley | Cottage Grove City Shops | µg/m³ | 5.7 | 02 AM | 25 | 02 AM |
| NE Oregon | Cove City Hall | µg/m³ | 4.8 | 07 PM | 5.4 | 08 AM |
| Willamette Valley | Dallas LaCreole Middle School | µg/m³ | 2.5 | 10 PM | 3.9 | 07 AM |
| Willamette Valley | Detroit Lake Forest Service | µg/m³ | 2.9 | 08 AM | 4.1 | 02 AM |
| NE Oregon | Enterprise Forest Service | µg/m³ | 4 | 02 PM | 6.1 | 02 AM |
| Portland Metro | Estacada Clackamas River Sc | µg/m³ | 3 | 10 AM | 3.7 | 04 AM |
| Willamette Valley | Eugene Amazon Park | µg/m³ | 5.7 | 01 AM | 7 | 03 AM |
| Willamette Valley | Eugene Amazon Park | µg/m³ | 4.3 | 01 AM | 7 | 03 AM |
| Willamette Valley | Eugene Highway 99 | µg/m³ | 8.1 | 01 AM | 9.2 | 10 AM |
| Willamette Valley | Eugene Highway 99 | µg/m³ | 6 | 01 AM | 9.2 | 10 AM |
| Willamette Valley | Eugene Wilkes Drive | µg/m³ | 6.1 | 01 AM | 9.1 | 12 PM |
| Willamette Valley | Eugene Wilkes Drive | µg/m³ | 5.4 | 01 AM | 9.1 | 12 PM |
| Oregon Coast | Florence Forestry Department | µg/m³ | 4.6 | 01 AM | 4.3 | 01 AM |
| Portland Metro | Forest Grove Pacific University | µg/m³ | 2.3 | 01 AM | 2.9 | 01 PM |
| SW Oregon | Grants Pass Parkside School | µg/m³ | 4.1 | 01 AM | 5.2 | 07 AM |
| SW Oregon | Grants Pass Parkside School | µg/m³ | 8.1 | 02 AM | 5.2 | 07 AM |
| Portland Metro | Gresham Centennial High School | µg/m³ | 3.4 | 12 AM | 4.2 | 05 AM |
| NE Oregon | Hermiston Municipal Airport | µg/m³ | 6 | 06 AM | 12.9 | 04 AM |
| Portland Metro | Hillsboro Hare Field | µg/m³ | 3.5 | 12 AM | 5.6 | 05 AM |
| Portland Metro | Hillsboro Hare Field | µg/m³ | 2.8 | 12 AM | 5.6 | 05 AM |
| Columbia Gorge | Hood River West Side Fire Department | µg/m³ | 4 | 01 AM | 3.5 | 06 PM |
| Central Oregon | John Day Dayton Street | µg/m³ | 5 | 08 PM | 7.3 | 01 AM |
| SW Oregon | Klamath Falls Peterson School | µg/m³ | 5 | 11 PM | 6 | 07 AM |
| SW Oregon | Klamath Falls Peterson School | µg/m³ | 6.3 | 11 PM | 6 | 07 AM |
| NE Oregon | La Grande Hall and N | µg/m³ | 4.1 | 07 AM | 5.5 | 01 AM |
| Central Oregon | La Pine Rural Fire Dept 103 | µg/m³ | 5 | 04 AM | 8.2 | 01 AM |
| SE Oregon | Lakeview Center and M | µg/m³ | 4.6 | 12 AM | 7.4 | 08 AM |
| SE Oregon | Lakeview Center and M | µg/m³ | 5.4 | 04 PM | 7.4 | 08 AM |
| Willamette Valley | Lyons Marilynn School | µg/m³ | 1.8 | 01 PM | ||
| Willamette Valley | Lyons Marilynn School | µg/m³ | 1.8 | 01 PM | ||
| Central Oregon | Madras Westside Elementary | µg/m³ | 4.1 | 01 AM | 6.6 | 07 AM |
| Willamette Valley | McMinnville High School | µg/m³ | 2.3 | 12 PM | 3.5 | 07 AM |
| SW Oregon | Medford Jackson Park | µg/m³ | 7.5 | 02 AM | 11 | 09 AM |
| SW Oregon | Medford Jackson Park | µg/m³ | 4.9 | 05 AM | 11 | 09 AM |
| Willamette Valley | Mill City | µg/m³ | 5.6 | 01 AM | 6.6 | 01 AM |
| Willamette Valley | Oakridge | µg/m³ | 4.8 | 04 AM | 9 | 03 AM |
| Willamette Valley | Oakridge | µg/m³ | 3.6 | 01 AM | 9 | 03 AM |
| Eastern Oregon | Ontario May Roberts Elementary School | µg/m³ | 4.1 | 03 PM | 6.2 | 08 AM |
| NE Oregon | Pendleton McKay Creek | µg/m³ | 5 | 08 AM | 6.4 | 08 AM |
| Portland Metro | Portland Cully Helensview | µg/m³ | 4.4 | 01 AM | 4.8 | 06 AM |
| Portland Metro | Portland Humboldt Sensors | µg/m³ | 2.4 | 10 PM | 3.2 | 01 PM |
| Portland Metro | Portland Lane Middle School | µg/m³ | 3.9 | 10 PM | 6.7 | 06 AM |
| Portland Metro | Portland Lincoln High School | µg/m³ | 2.3 | 01 AM | 2.9 | 01 PM |
| Portland Metro | Portland McDaniel High School | µg/m³ | 2.9 | 11 PM | 3.9 | 07 AM |
| Portland Metro | Portland Roosevelt High School | µg/m³ | 2.5 | 03 PM | 3 | 04 AM |
| Portland Metro | Portland SE Lafayette | µg/m³ | 3.8 | 01 PM | 5 | 08 AM |
| Portland Metro | Portland SE Lafayette | µg/m³ | 4.6 | 04 PM | 5 | 08 AM |
| Portland Metro | Portland SE12th and Salmon | µg/m³ | 2.6 | 09 PM | 3.6 | 09 AM |
| Central Oregon | Prineville Davidson Park | µg/m³ | 3 | 01 AM | 3.8 | 01 AM |
| Central Oregon | Prineville Davidson Park | µg/m³ | 3.4 | 09 AM | 3.8 | 01 AM |
| Central Oregon | Redmond High School | µg/m³ | 6.4 | 12 AM | 15.1 | 08 AM |
| SW Oregon | Roseburg Fire Dept | µg/m³ | 4.4 | 01 AM | 7.3 | 01 AM |
| Willamette Valley | Salem Chemeketa Community College | µg/m³ | 2.6 | 12 AM | 4.6 | 07 AM |
| Willamette Valley | Salem State Hospital | µg/m³ | 3.6 | 01 AM | 4.8 | 07 AM |
| Willamette Valley | Salem State Hospital | µg/m³ | 4.8 | 04 AM | 4.8 | 07 AM |
| Portland Metro | Sauvie Island | µg/m³ | 3.9 | 10 PM | 4.9 | 09 AM |
| SW Oregon | Shady Cove School | µg/m³ | 3.4 | 10 AM | 3.7 | 07 AM |
| Willamette Valley | Silverton James and Western | µg/m³ | 3.8 | 01 AM | 4.1 | 01 PM |
| Central Oregon | Sisters Forest Service SensOR | µg/m³ | 3.8 | 11 PM | 7.9 | 12 PM |
| Willamette Valley | Springfield City Hall | µg/m³ | 5.4 | 01 AM | 5.3 | 06 AM |
| Willamette Valley | Springfield Youth Farm | µg/m³ | 4.8 | 01 AM | 5.6 | 08 AM |
| Central Oregon | Sunriver Three Rivers Elementary School | µg/m³ | 20.9 | 12 AM | 99.1 | 06 AM |
| Willamette Valley | Sweet Home Fire Department | µg/m³ | 3.5 | 01 AM | 4.6 | 01 AM |
| SW Oregon | Talent | µg/m³ | 3.5 | 04 AM | 4.1 | 11 AM |
| Columbia Gorge | The Dalles Cherry Heights School | µg/m³ | 3.4 | 02 AM | 4 | 02 AM |
| Oregon Coast | Tillamook Jr High School | µg/m³ | 3.1 | 01 AM | 2.8 | 01 AM |
| Oregon Coast | Toledo NE HWY20 & NW A St | µg/m³ | 3.4 | 06 AM | 5 | 06 AM |
| Portland Metro | Tualatin Bradbury Court | µg/m³ | 4 | 12 AM | 5.3 | 08 AM |
| Portland Metro | Tualatin Bradbury Court | µg/m³ | 4.7 | 12 AM | 5.3 | 08 AM |
| Willamette Valley | Turner Cascade Junior HS | µg/m³ | 3.3 | 11 PM | 4.5 | 06 AM |
| Willamette Valley | Woodburn Chemeketa Community College | µg/m³ | 14.5 | 12 AM | 143.4 | 02 AM |
