Smoke from multiple large wildfires burning across eastern Washington has degraded air quality across the region, with residents in Spokane, Okanogan, Yakima, and adjacent areas in north Idaho experiencing reduced visibility and elevated particulate concentrations this week. Health officials are advising sensitive groups to limit outdoor activity.

Current Smoke Conditions

The combination of the Upriver, Kartar, Tucannon, and Tule Road fires pumping smoke into the atmosphere has created widespread hazy conditions across eastern Washington and spilling into the Idaho Panhandle. The Spokane Regional Clean Air Agency is monitoring PM2.5 levels across its network, though the agency notes that the Airway Heights PM2.5 monitor has been offline since June 17 for annual maintenance, reducing coverage in that area.

Washington State's Department of Ecology maintains an active wildfire smoke monitoring program and provides real-time air quality data at ecology.wa.gov. Residents are encouraged to consult the department's smoke-tracking map before spending extended time outdoors.

Health Guidance for Smoke Exposure

Fine particulate matter from wildfire smoke can penetrate deep into the lungs and enter the bloodstream, posing health risks particularly to:

  • Children and infants
  • Adults over 65
  • Individuals with asthma, COPD, or other respiratory conditions
  • People with heart disease or diabetes
  • Pregnant women

When Air Quality Index (AQI) readings reach the orange range (101–150, Unhealthy for Sensitive Groups) or higher, health officials recommend:

  • Keep windows and doors closed
  • Use air purifiers with HEPA filters indoors
  • Avoid vigorous outdoor activity
  • Wear an N95 or P100 respirator if going outside is necessary
  • Never use outdoor air to cool your home during smoke events

Impact on the Yakima Valley

The Tule Road Fire burning on the Yakama Reservation south of Toppenish has been particularly impactful for Yakima Valley air quality. With more than 24,000 acres burning in open grassland fuel, the fire has generated significant smoke columns that drift north through the Yakima Valley corridor under prevailing southwest winds. Red flag warnings issued by the National Weather Service Pendleton forecast office have underscored the ongoing fire weather threat in this region.

Monitoring Resources

Residents can monitor current air quality conditions through the following resources:

  • AirNow.gov — nationwide AQI map updated hourly
  • Washington Ecology wildfire smoke page — ecology.wa.gov
  • Spokane Regional Clean Air Agency — spokanecleanair.org
  • Northwest Air Pollution Authority (for north-central Washington)
  • Panhandle Health District (for north Idaho)

Smoke conditions are expected to fluctuate with wind patterns and fire activity throughout the week. Residents with health concerns should consult a physician and keep emergency medications such as rescue inhalers readily accessible.