Portland, Oregon — Thick wildfire smoke continues to blanket large parts of the Pacific Northwest, creating hazardous air quality across Oregon, Washington, and Idaho as dozens of active wildfires burn throughout the region.
Officials are warning residents that the smoky conditions could linger through the end of the week, with dry and windy weather expected to increase both health risks and wildfire danger.
Air Quality Advisories Cover Large Portions of Three States
State environmental agencies have issued air quality advisories across broad areas of the Northwest as wildfire smoke continues to reduce visibility and worsen air conditions.
In Idaho, the Department of Environmental Quality has placed more than two dozen counties under an air quality advisory. Earlier this week, the advisory extended to 35 of the state’s 44 counties, highlighting the widespread impact of drifting smoke.
Meanwhile, Oregon has issued an advisory covering at least 10 counties across the eastern and central parts of the state. Officials say the advisory will remain in effect indefinitely until air quality improves.
Smoke from ongoing wildfires has also spread into parts of Washington, affecting communities across the region.
More Than 40 Large Wildfires Continue to Burn
According to officials, more than 40 large wildfires are currently active across Oregon and Washington, with smoke continuing to spread as fires remain difficult to contain.
The poorest air quality has been reported in Union, Oregon, where the Air Quality Index (AQI) has reached Level 5 out of 6, a category considered very unhealthy.
Air at this level can pose significant health risks, especially for children, older adults, people with asthma, and those living with heart or lung disease.
Health officials warn that even healthy individuals may begin experiencing symptoms when smoke concentrations remain elevated.
Smoke Can Trigger Serious Health Problems
Experts say wildfire smoke contains fine particles that can irritate the eyes, nose, and throat while making it more difficult to breathe.
Residents exposed to smoky air may experience:
- Scratchy throat and burning eyes
- Persistent coughing
- Shortness of breath or wheezing
- Worsening asthma or other respiratory conditions
Officials recommend avoiding strenuous outdoor activities whenever air quality reaches unhealthy levels.
People are also encouraged to stay indoors with windows closed, use air filtration if available, and consider postponing outdoor plans until conditions improve.
Dry Weather Offers Little Relief
Forecasters say weather conditions are unlikely to improve in the coming days. Smoke is expected to remain trapped near the surface through the end of the week, limiting improvements in air quality.
At the same time, little to no rainfall is forecast across much of the Northwest.
A dry cold front moving through the region is expected to bring stronger winds and even drier air, creating conditions favorable for wildfire growth.
Combined with ongoing drought, the forecast raises concerns that existing fires could spread more rapidly while new wildfires may ignite over the weekend.
Emergency officials continue urging residents to stay informed about local fire conditions and monitor air quality updates before spending extended time outdoors.
Have wildfire smoke or poor air quality affected your community this week? Share your experience and thoughts in the comments below.
