Washington Current AQI Today: 4 Cities Ranked (Good)
Real-time air quality data for 4 cities in Washington. Average AQI across the state is currently 46 (Good).
Cities in Washington
Sorted by air quality (best first)
About Air Quality in Washington
Washington state generally has good air quality but faces significant challenges during wildfire season. The Puget Sound region can experience urban air quality issues, and Seattle's geography can trap pollutants under certain conditions. Wildfire smoke has become the dominant air quality concern, particularly affecting eastern Washington.
We monitor air quality across 4 major cities in Washington using real-time data from the EPA's AirNow network. The best air quality is currently in Seattle with an AQI of 25. The area requiring most attention is Tacoma with an AQI of 55.
Primary Pollution Sources in Washington
- Wildfire smoke (major seasonal source)
- Vehicle emissions in Seattle-Tacoma area
- Industrial facilities including refineries
- Maritime vessel emissions
- Wood burning for heat
- Agricultural burning in eastern Washington
Seasonal Air Quality Patterns
Summer and early fall are now associated with wildfire smoke episodes that can severely impact air quality across the entire state. Winter can see localized particulate matter issues from wood burning. Spring and early summer generally have the best air quality before fire season begins.
Health Impacts
Wildfire smoke events create acute health risks for all residents, particularly those with respiratory conditions. Urban areas face typical traffic-related pollution exposure. Rural eastern Washington communities can be severely impacted by both local fires and transported smoke.
Recommendations for Washington Residents
Washington residents must be prepared for wildfire smoke season. Have HEPA filters and N95 masks on hand. Create a clean air room in your home. Monitor AirNow and state air quality alerts. Consider evacuating during severe smoke events if you have respiratory conditions.
Frequently Asked Questions About Washington Air Quality
What is the current air quality in Washington?
The average Air Quality Index across 4 monitored cities in Washington is currently 46, which is considered good. 1 cities currently have good air quality (AQI 0-50).
Which city in Washington has the best air quality?
Currently, Seattle has the best air quality in Washington with an AQI of 25 (Good). Air quality rankings can change throughout the day based on weather conditions, traffic patterns, and other factors.
Is it safe to exercise outdoors in Washington?
With the current average AQI of 46, outdoor exercise is generally safe for most people across Washington. However, always check local conditions for your specific city.
How can I protect myself from poor air quality in Washington?
To protect yourself from air pollution: monitor AQI forecasts daily, limit outdoor activities when AQI exceeds 100, use air conditioning or air purifiers with HEPA filters indoors, consider wearing N95 masks during very poor air quality, and keep windows closed when pollution levels are elevated. Sensitive groups should take extra precautions.