Advisories:

Highest PM2.5

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Region Site Units 24-Hour Hour Of Day 1 Hour Hour Of Day
Willamette Valley Albany Calapooia School µg/m³ 3.3 01 AM 4.5 11 PM
SW Oregon Ashland Fire Department µg/m³ 4.3 01 AM 4.9 11 AM
NE Oregon Baker City Forest Service µg/m³ 4 01 AM 5.3 10 PM
Portland Metro Beaverton Highland Park µg/m³ 3.3 12 AM 4.5 11 PM
Central Oregon Bend NE 8th & Emerson Sensors µg/m³ 4.1 01 AM 6 05 AM
Central Oregon Bend Pump Station µg/m³ 4.5 01 AM 5.3 12 AM
Central Oregon Bend Pump Station µg/m³ 5.3 12 AM
Central Oregon Burns Washington Street µg/m³ 2.8 01 AM 3.2 09 PM
Central Oregon Burns Washington Street µg/m³ 3.2 09 PM
Portland Metro Carus Spangler Road µg/m³ 3.5 01 AM 4.6 09 PM
SW Oregon Cave Junction Forest Service µg/m³ 3.8 01 AM 5 02 AM
Central Oregon Chiloquin Duke Drive µg/m³ 3 01 AM 3.9 06 AM
Oregon Coast Coos Bay Marshfield HS µg/m³
Willamette Valley Cottage Grove City Shops µg/m³
Willamette Valley Cottage Grove City Shops µg/m³ 5.5 01 AM
Willamette Valley Detroit Lake Forest Service µg/m³ 4.1 01 AM 4.2 12 AM
NE Oregon Enterprise Forest Service µg/m³ 4 01 AM 6.1 10 PM
Willamette Valley Eugene Amazon Park µg/m³
Willamette Valley Eugene Amazon Park µg/m³ 6.4 01 AM
Willamette Valley Eugene Highway 99 µg/m³
Willamette Valley Eugene Highway 99 µg/m³ 5.3 01 AM
Willamette Valley Eugene Wilkes Drive µg/m³
Willamette Valley Eugene Wilkes Drive µg/m³ 5.9 01 AM
Oregon Coast Florence Forestry Department µg/m³ 2.7 12 AM 4.1 12 AM
Portland Metro Forest Grove Pacific University µg/m³ 3.6 12 AM 5.2 09 PM
SW Oregon Grants Pass Parkside School µg/m³ 3.3 01 AM 3.2 05 AM
SW Oregon Grants Pass Parkside School µg/m³ 3.2 05 AM
Portland Metro Gresham Centennial High School µg/m³ 3.3 01 AM 5.9 12 AM
NE Oregon Hermiston Municipal Airport µg/m³ 3.9 12 AM 6.2 10 PM
Portland Metro Hillsboro Hare Field µg/m³ 3.5 12 AM 4.5 10 PM
Portland Metro Hillsboro Hare Field µg/m³ 4.5 10 PM
Central Oregon John Day Dayton Street µg/m³ 3.6 01 AM 3.5 12 AM
SW Oregon Klamath Falls Peterson School µg/m³ 3.9 11 PM 6.1 07 AM
SW Oregon Klamath Falls Peterson School µg/m³ 6.1 07 AM
NE Oregon La Grande Hall and N µg/m³ 4.4 01 AM 6.3 10 PM
Central Oregon La Pine Rural Fire Dept 103 µg/m³ 3.7 12 AM 6.3 12 AM
SE Oregon Lakeview Center and M µg/m³ 3.7 01 AM 4.5 07 AM
SE Oregon Lakeview Center and M µg/m³ 4.5 07 AM
Willamette Valley Lyons Marilynn School µg/m³
Willamette Valley Lyons Marilynn School µg/m³
Central Oregon Madras Westside Elementary µg/m³ 6.3 04 AM 6.7 12 AM
SW Oregon Medford Welch and Jackson µg/m³ 4.3 01 AM 5.2 09 AM
SW Oregon Medford Welch and Jackson µg/m³ 5.2 09 AM
Willamette Valley Mill City µg/m³ 3.7 12 AM 5.1 09 PM
Cascades Multorpor µg/m³
Willamette Valley Oakridge µg/m³
Willamette Valley Oakridge µg/m³ 4.1 01 AM
NE Oregon Pendleton McKay Creek µg/m³ 3.2 12 AM 5.6 11 PM
Portland Metro Portland Cully Helensview µg/m³ 3.1 12 AM 5.4 06 AM
Portland Metro Portland Humboldt Sensors µg/m³ 2.9 12 AM 3.8 10 PM
Portland Metro Portland SE Lafayette µg/m³ 3.6 12 AM 5.4 09 PM
Portland Metro Portland SE Lafayette µg/m³ 5.4 09 PM
Central Oregon Prineville Davidson Park µg/m³ 4.4 03 AM 5.1 12 AM
Central Oregon Prineville Davidson Park µg/m³ 5.1 12 AM
Central Oregon Redmond High School µg/m³ 3.7 01 AM 4.8 11 PM
SW Oregon Roseburg Fire Dept µg/m³ 3.4 01 AM 5.5 11 PM
Willamette Valley Salem State Hospital µg/m³ 3.6 12 AM 6.4 10 PM
Willamette Valley Salem State Hospital µg/m³ 6.4 10 PM
Portland Metro Sauvie Island µg/m³ 3.7 01 AM 4.6 08 PM
SW Oregon Shady Cove School µg/m³ 3.4 01 AM 3.8 09 AM
Willamette Valley Silverton James and Western µg/m³ 3.9 01 AM 5.9 12 AM
Central Oregon Sisters Forest Service µg/m³ 4 12 AM 8.2 11 PM
Willamette Valley Springfield City Hall µg/m³ 5.8 01 AM 6.3 09 PM
Willamette Valley Sweet Home Fire Department µg/m³ 4.3 01 AM 9.2 10 PM
SW Oregon Talent µg/m³ 4.3 01 AM 5.1 10 AM
Columbia Gorge The Dalles Cherry Heights School µg/m³
Portland Metro Tualatin Bradbury Court µg/m³ 5.2 12 AM 10.4 12 AM
Portland Metro Tualatin Bradbury Court µg/m³ 10.4 12 AM
Willamette Valley Turner Cascade Junior HS µg/m³ 4.2 01 AM 7.4 12 AM