Washington
139 monitoring stations · readings from 33 to 65
Average AQI
Air quality in Washington
Air quality in Washington is currently 55 on the AQI scale, which falls in the Moderate band. That number is the average across every monitoring station reporting in Washington right now.
We aggregate 139 stations across Washington. Individual stations range from 33 at the cleanest to 65 at the worst, so conditions vary across Washington — the local figure matters more than the average.
Washington breaks down into 78 cities you can open individually. Of those listed below, Tukwila is reading highest at 64 and North Bend lowest at 33.
Readings refresh hourly from the official monitoring networks we track. Conditions can change quickly, so check back before planning time outdoors.
What to do at moderate levels
Outdoor activity
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner.
Sensitive groups
Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
Indoor air
Ventilating is still worthwhile. Consider closing up during traffic peaks if you live on a busy road.
Cities in Washington
78 cities
64Chelan
Moderate
- Stations
- 2
- Range
- 63–65
64Shelton
Moderate
- Stations
- 2
- Range
- 63–65
64Tukwila
Moderate
- Stations
- 3
- Range
- 63–65
63Auburn
Moderate
- Stations
- 2
- Range
- 63–63
63Bellevue
Moderate
- Stations
- 2
- Range
- 63–63
63Bellingham
Moderate
- Stations
- 2
- Range
- 63–63
Bremerton
Moderate
- Stations
- 1
- Range
- 63–63
63Chehalis
Moderate
- Stations
- 2
- Range
- 63–63
Custer
Moderate
- Stations
- 1
- Range
- 63–63
Fife
Moderate
- Stations
- 1
- Range
- 63–63
Kent
Moderate
- Stations
- 1
- Range
- 63–63
63Lacey
Moderate
- Stations
- 2
- Range
- 63–63
63Lake Forest Park
Moderate
- Stations
- 2
- Range
- 63–63
Lynden
Moderate
- Stations
- 1
- Range
- 63–63
63Marysville
Moderate
- Stations
- 2
- Range
- 63–63
Mercer Island
Moderate
- Stations
- 1
- Range
- 63–63
63Midland
Moderate
- Stations
- 2
- Range
- 63–63
63Mount Vernon
Moderate
- Stations
- 2
- Range
- 63–63
Neah Bay
Moderate
- Stations
- 1
- Range
- 63–63
Soap Lake
Moderate
- Stations
- 1
- Range
- 63–63
South Hill
Moderate
- Stations
- 1
- Range
- 63–63
63Tacoma
Moderate
- Stations
- 4
- Range
- 63–63
Tracyton
Moderate
- Stations
- 1
- Range
- 63–63
63White Center
Moderate
- Stations
- 2
- Range
- 63–63
62Anacortes
Moderate
- Stations
- 5
- Range
- 60–63
62Omak
Moderate
- Stations
- 4
- Range
- 60–65
62Port Angeles
Moderate
- Stations
- 2
- Range
- 60–63
62Port Townsend
Moderate
- Stations
- 2
- Range
- 60–63
60Aberdeen
Moderate
- Stations
- 4
- Range
- 50–63
60Ellensburg
Moderate
- Stations
- 2
- Range
- 60–60
Leavenworth
Moderate
- Stations
- 1
- Range
- 60–60
Maple Falls
Moderate
- Stations
- 1
- Range
- 60–60
Oak Harbor
Moderate
- Stations
- 1
- Range
- 60–60
Twisp
Moderate
- Stations
- 1
- Range
- 60–60
58Seattle
Moderate
- Stations
- 6
- Range
- 33–63
Selah
Moderate
- Stations
- 1
- Range
- 58–58
58Wenatchee
Moderate
- Stations
- 3
- Range
- 58–58
58Yakima
Moderate
- Stations
- 2
- Range
- 58–58
56Toppenish
Moderate
- Stations
- 2
- Range
- 56–56
Wapato
Moderate
- Stations
- 1
- Range
- 56–56
About Washington
Coordinates
47.347, -120.765
Centroid of monitored stations
Stations
139
Reporting in this area
Spread
33 – 65
Cleanest to worst station reading
Other regions nearby
Washington air quality, answered
Washington is currently reading an AQI of 55, which is Moderate. It is the average across 139 reporting stations.
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner. Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
55 sits in the Moderate band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 139 stations in Washington, reading between 33 and 65.
Of the cities currently listed for Washington, Tukwila is reading highest at 64 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Washington on the map.
Every station around it, live — or find out what today's reading means for you personally.