AQI Alerts for Pendleton, OR

# HEADLINE -------------------- AIR QUALITY ADVISORY IN EFFECT UNTIL FURTHER NOTICE # SUMMARY -------------------- Oregon Department of Environmental Quality has issued an Air Quality Advisory until further notice. For the Smoke Air Quality Advisory, wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. An Air Quality Advisory for elevated levels of ozone pollution, or smog, is in effect for Hermiston in Umatilla County. Ozone pollution is expected to reach levels that could be unhealthy for sensitive groups, including children, pregnant people, older adults and people with heart or respiratory conditions. DEQ expected the Air Quality Advisory to last until 10 p.m. on Thursday, Aug. 6, 2026. For additional information...please visit the Web site at http://www.oregon.gov/DEQ # DETAILS -------------------- ISSUED AT Wednesday, August 5, 2026 at 2:33 PM PDT ISSUED BY Relayed by National Weather Service Pendleton OR HEADER Air Quality Alert Message # AREAS AFFECTED -------------------- Union, Crook, Deschutes, Gilliam, Grant, Jefferson, Morrow, Sherman, Umatilla, Wallowa, Wasco, Wheeler Including the cities of Prineville, Post, Paulina, Bend, Redmond, Sunriver, Sisters, La Pine, Brothers, Condon, Lonerock, Arlington, John Day, Monument, Dayville, Long Creek, Seneca, Madras, Warm Springs, Culver, Boardman, Heppner, Lexington, Ione, Irrigon, Wasco, Moro, Grass Valley, Hermiston, Milton-Freewater, Pendleton, Athena, Pilot Rock, Stanfield, Umatilla, Ukiah, Helix, La Grande, Elgin, Union, North Powder, Enterprise, Joseph, Wallowa..Imnaha, Troy, Lostine, The Dalles, Maupin, Shaniko, Tygh Valley, Fossil, Spray, and Mitchell