Advisories:

Highest PM2.5

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Wednesday, 
Region Site Units 24-Hour Hour Of Day 1 Hour Hour Of Day
Willamette Valley Albany Calapooia School µg/m³ 19.5 12 AM 40.5 12 AM
SW Oregon Ashland Fire Department µg/m³ 6.6 07 PM 12.1 07 PM
NE Oregon Baker City Forest Service µg/m³ 6.5 10 PM 11 12 AM
Portland Metro Beaverton Highland Park µg/m³ 19.4 12 AM 31.3 09 AM
Central Oregon Bend NE 8th & Emerson Sensors µg/m³ 6.2 12 AM 21.9 12 AM
Central Oregon Bend Pine Ridge Elementary School µg/m³ 7.2 12 AM 30.2 09 PM
Central Oregon Bend Ponderosa Elementary School µg/m³ 4.7 11 PM 18.4 10 PM
Central Oregon Bend Pump Station µg/m³ 7.9 12 AM 25.1 11 PM
Central Oregon Bend Pump Station µg/m³ 25.1 11 PM
Oregon Coast Brookings CFPA µg/m³
Central Oregon Burns Washington Street µg/m³ 16.9 12 AM 65.6 11 PM
Central Oregon Burns Washington Street µg/m³ 24.5 12 AM 65.6 11 PM
Portland Metro Carus Spangler Road µg/m³ 20.7 12 AM 33.9 11 PM
SW Oregon Cave Junction Forest Service µg/m³ 41.2 12 AM 79.6 12 AM
Central Oregon Chiloquin Duke Drive µg/m³ 5.1 11 AM 9.7 09 PM
Oregon Coast Coos Bay Marshfield HS µg/m³ 12.3 08 AM 23.3 04 AM
Willamette Valley Corvallis EPA Office µg/m³ 8.6 05 AM 13.6 11 AM
Willamette Valley Cottage Grove City Shops µg/m³ 18.8 09 AM 28.1 11 PM
Willamette Valley Cottage Grove City Shops µg/m³ 11.8 08 AM 28.1 11 PM
NE Oregon Cove City Hall µg/m³ 4.6 12 AM 10.1 10 PM
Willamette Valley Dallas LaCreole Middle School µg/m³ 16 10 PM 21.5 06 PM
Willamette Valley Detroit Lake Forest Service µg/m³ 6 03 PM 42.4 03 PM
NE Oregon Enterprise Forest Service µg/m³ 7.4 12 AM 15.4 08 AM
Portland Metro Estacada Clackamas River Sc µg/m³ 26 08 PM 42.1 08 PM
Willamette Valley Eugene Amazon Park µg/m³ 18.0 01 AM 14.8 07 AM
Willamette Valley Eugene Amazon Park µg/m³ 15.2 01 AM 14.8 07 AM
Willamette Valley Eugene Highway 99 µg/m³ 29.4 01 AM 60.5 12 AM
Willamette Valley Eugene Highway 99 µg/m³ 14.3 01 AM 60.5 12 AM
Willamette Valley Eugene Wilkes Drive µg/m³ 15.3 01 AM 44.8 11 PM
Willamette Valley Eugene Wilkes Drive µg/m³ 15.6 01 AM 44.8 11 PM
Oregon Coast Florence Forestry Department µg/m³ 4.7 01 AM 8.5 09 PM
Portland Metro Forest Grove Pacific University µg/m³ 28.1 12 AM 50.3 08 PM
SW Oregon Grants Pass Parkside School µg/m³ 17.2 12 AM 33.6 08 PM
SW Oregon Grants Pass Parkside School µg/m³ 23.2 12 AM 33.6 08 PM
Portland Metro Gresham Centennial High School µg/m³ 21.1 12 AM 50.1 12 AM
NE Oregon Hermiston Municipal Airport µg/m³ 8.2 12 AM 11.9 12 AM
Portland Metro Hillsboro Hare Field µg/m³ 26.5 06 PM 33.4 09 AM
Portland Metro Hillsboro Hare Field µg/m³ 27.9 06 PM 33.4 09 AM
Columbia Gorge Hood River West Side Fire Department µg/m³ 21.1 03 PM 35.8 11 PM
Central Oregon John Day Dayton Street µg/m³ 8.2 11 PM 15 09 PM
SW Oregon Klamath Falls Peterson School µg/m³ 21.2 12 AM 40.7 12 AM
SW Oregon Klamath Falls Peterson School µg/m³ 25.8 06 PM 40.7 12 AM
NE Oregon La Grande Hall and N µg/m³ 4.7 01 AM 7.4 11 PM
Central Oregon La Pine Rural Fire Dept 103 µg/m³ 18.9 12 AM 50.2 08 PM
SE Oregon Lakeview Center and M µg/m³ 27.6 03 PM 113.6 09 AM
SE Oregon Lakeview Center and M µg/m³ 26.9 05 PM 113.6 09 AM
Willamette Valley Lyons Marilynn School µg/m³
Willamette Valley Lyons Marilynn School µg/m³
Central Oregon Madras Westside Elementary µg/m³ 18.7 01 AM 30 07 PM
Willamette Valley McMinnville High School µg/m³ 25.5 12 AM 42.4 02 PM
SW Oregon Medford Welch and Jackson µg/m³ 13.1 09 PM 21.6 11 PM
SW Oregon Medford Welch and Jackson µg/m³ 19.5 09 PM 21.6 11 PM
Willamette Valley Mill City µg/m³ 25.1 01 AM 57.5 11 PM
Willamette Valley Oakridge µg/m³ 37.6 01 AM 60.8 01 AM
Willamette Valley Oakridge µg/m³ 35.4 01 AM 60.8 01 AM
Eastern Oregon Ontario May Roberts Elementary School µg/m³ 8.3 10 PM 15.8 10 PM
NE Oregon Pendleton McKay Creek µg/m³ 9.5 12 AM 21.2 12 AM
Portland Metro Portland Cully Helensview µg/m³ 10.4 11 AM 18.3 07 AM
Portland Metro Portland Humboldt Sensors µg/m³ 12.9 11 AM 15.9 01 AM
Portland Metro Portland Lane Middle School µg/m³ 26.2 05 PM 44.6 04 AM
Portland Metro Portland Lincoln High School µg/m³ 11.7 03 PM 13.3 01 AM
Portland Metro Portland McDaniel High School µg/m³ 11.6 01 PM 15.8 01 AM
Portland Metro Portland Roosevelt High School µg/m³ 16.5 11 AM 24.1 01 AM
Portland Metro Portland SE Lafayette µg/m³ 23.3 12 AM 45.2 11 PM
Portland Metro Portland SE Lafayette µg/m³ 24.6 12 AM 45.2 11 PM
Portland Metro Portland SE12th and Salmon µg/m³ 15.4 09 PM 34.7 09 PM
Central Oregon Prineville Davidson Park µg/m³ 7.8 12 AM 21.7 06 AM
Central Oregon Prineville Davidson Park µg/m³ 8.7 12 AM 21.7 06 AM
Central Oregon Redmond High School µg/m³ 15.9 12 AM 71 12 AM
SW Oregon Roseburg Fire Dept µg/m³ 21.1 01 AM 32.4 09 AM
Willamette Valley Salem Chemeketa Community College µg/m³ 49.1 09 PM 67.5 12 AM
Willamette Valley Salem State Hospital µg/m³ 42.8 12 AM 56.6 11 PM
Willamette Valley Salem State Hospital µg/m³ 56.6 11 PM
Portland Metro Sauvie Island µg/m³ 12.6 03 PM 21.4 11 AM
SW Oregon Shady Cove School µg/m³ 5.1 07 PM 10 08 PM
Willamette Valley Silverton James and Western µg/m³ 18.2 05 PM 28.9 10 PM
Central Oregon Sisters Forest Service µg/m³ 4.6 09 PM 6.7 04 PM
Willamette Valley Springfield City Hall µg/m³ 7 01 AM 10.6 11 PM
Central Oregon Sunriver Three Rivers Elementary School µg/m³ 4.5 06 AM 5.3 01 AM
Willamette Valley Sweet Home Fire Department µg/m³ 10.4 01 AM 13 07 PM
SW Oregon Talent µg/m³ 6.9 08 PM 11.7 02 PM
Columbia Gorge The Dalles Cherry Heights School µg/m³
Oregon Coast Tillamook Jr High School µg/m³ 10.2 01 AM 16.9 10 PM
Oregon Coast Toledo NE HWY20 & NW A St µg/m³ 11.6 12 AM 35.9 09 PM
Portland Metro Tualatin Bradbury Court µg/m³ 28.9 12 PM 43 04 AM
Portland Metro Tualatin Bradbury Court µg/m³ 29.4 01 PM 43 04 AM
Willamette Valley Turner Cascade Junior HS µg/m³ 30.3 12 AM 39.2 11 AM
Willamette Valley Woodburn Chemeketa Community College µg/m³ 40.5 12 AM 71.1 12 AM