OR · 44 reporting areas

Oregon air quality today

AirNow lists 44 reporting areas in Oregon; 43 have a current hourly AQI. The highest current reading is AQI 79 (Moderate, PM2.5). Preliminary EPA AirNow data; latest reading Oct 28, 2026, 3:00 AM EDT.

All Oregon areas

Oregon reporting areas, highest current AQI first
AreaAQI nowMain pollutantAs of (local)Today's forecast
John Day79ModeratePM2.512:00 AM PDT—
Medford62ModeratePM2.512:00 AM PDT—
La Pine57ModeratePM2.512:00 AM PDT—
Burns53ModeratePM2.512:00 AM PDT—
Tillamook48GoodPM2.512:00 AM PDT—
Enterprise46GoodPM2.512:00 AM PDT—
Grants Pass46GoodPM2.512:00 AM PDT—
Salem46GoodPM2.512:00 AM PDT—
Roseburg43GoodPM2.512:00 AM PDT—
Lyons41GoodPM2.512:00 AM PDT—
Clackamas40GoodPM2.512:00 AM PDT—
La Grande39GoodPM2.512:00 AM PDT—
Klamath Falls38GoodPM2.512:00 AM PDT85Moderate
Baker City37GoodPM2.512:00 AM PDT—
North Santiam Canyon37GoodPM2.512:00 AM PDT—
Ontario37GoodPM2.51:00 AM MDT—
Toledo37GoodPM2.512:00 AM PDT—
Cottage Grove36GoodPM2.512:00 AM PDTGood
Bend and Redmond35GoodPM2.512:00 AM PDT—
Dallas34GoodPM2.512:00 AM PDT—
Oakridge34GoodPM2.512:00 AM PDTGood
Lakeview31GoodPM2.512:00 AM PDT—
Portland31GoodPM2.512:00 AM PDT50Good
Prineville31GoodPM2.512:00 AM PDT—
Cave Junction30GoodPM2.512:00 AM PDT—
Estacada29GoodPM2.512:00 AM PDT—
Albany28GoodPM2.512:00 AM PDT—
Hood River28GoodPM2.512:00 AM PDT—
Sauvie Island28GoodPM2.512:00 AM PDT—
Hillsboro25GoodPM2.512:00 AM PDT—
Cove23GoodPM2.512:00 AM PDT—
Ashland22GoodPM2.512:00 AM PDT—
The Dalles22GoodPM2.512:00 AM PDT—
Corvallis21GoodPM2.512:00 AM PDT—
Eugene and Springfield20GoodPM2.512:00 AM PDTGood
Florence19GoodPM2.512:00 AM PDTGood
Shady Cove17GoodPM2.512:00 AM PDT—
Chiloquin14GoodPM2.512:00 AM PDT—
Madras14GoodPM2.512:00 AM PDT—
Sweet Home13GoodPM2.512:00 AM PDT—
Sisters12GoodPM2.512:00 AM PDT—
Brookings8GoodPM2.512:00 AM PDT—
Pendleton8GoodPM2.512:00 AM PDT—
Hermiston————

Source: U.S. EPA AirNow reporting area file, published Oct 28, 2026, 3:15 AM EDT. Areas without a number report a category only or have no current reading.

Reading this table

Each area's AQI is the highest of the pollutants its agency reports, usually ozone or fine particles (PM2.5). A reading of 101 or more is Unhealthy for Sensitive Groups. Open an area to see its forecast, nearby monitor readings and health guidance, or see the AQI scale.

Other states

Preliminary data. AirNow readings and forecasts come from federal, state, local and tribal air quality agencies. They are not fully verified, may change, and must not be used for regulatory or official decisions; official data are in EPA's Air Quality System. For the latest official readings and advisories, check AirNow.gov and your state or local air agency.

This page is general information, not medical advice. If you have symptoms or a health condition, follow your doctor's guidance.