WA · 48 reporting areas

Washington air quality today

AirNow lists 48 reporting areas in Washington; 40 have a current hourly AQI. The highest current reading is AQI 58 (Moderate, PM2.5). Preliminary EPA AirNow data; latest reading Oct 28, 2026, 3:00 AM EDT.

All Washington areas

Washington reporting areas, highest current AQI first
AreaAQI nowMain pollutantAs of (local)Today's forecast
Twisp58ModeratePM2.512:00 AM PDT—
Clarkston56ModeratePM2.512:00 AM PDTGood
Vancouver48GoodPM2.512:00 AM PDTGood
Colville45GoodPM2.512:00 AM PDTGood
Aberdeen42GoodPM2.512:00 AM PDT22Good
Omak39GoodPM2.512:00 AM PDT—
Tacoma-Puyallup38GoodPM2.512:00 AM PDT33Good
Port Angeles34GoodPM2.512:00 AM PDT28Good
Makah Indian Tribe of Makah Indian Reservation31GoodOzone12:00 AM PDT—
Seattle-Bellevue-Kent Valley30GoodPM2.512:00 AM PDT33Good
Chehalis26GoodPM2.512:00 AM PDTGood
Olympia-Lacey-Tumwater26GoodPM2.512:00 AM PDT22Good
Ritzville26GoodPM2.511:00 PM PSTGood
Bellingham22GoodPM2.512:00 AM PDTGood
Spokane22GoodPM2.512:00 AM PDTGood
Sunnyside22GoodPM2.512:00 AM PDTGood
Yacolt21GoodPM2.512:00 AM PDTGood
Everett-Marysville-Lynnwood20GoodPM2.512:00 AM PDT33Good
Longview20GoodPM2.512:00 AM PDTGood
Moses Lake19GoodPM2.512:00 AM PDTGood
Port Townsend19GoodPM2.512:00 AM PDT22Good
Wenatchee18GoodPM2.512:00 AM PDTGood
Custer17GoodOzone12:00 AM PDTGood
Dayton17GoodOzone12:00 AM PDTGood
Ellensburg17GoodPM2.512:00 AM PDTGood
Darrington16GoodPM2.512:00 AM PDT33Good
Pullman13GoodPM2.512:00 AM PDTGood
Anacortes12GoodPM2.512:00 AM PDTGood
Kitsap County12GoodPM2.512:00 AM PDT33Good
Kennewick11GoodPM2.512:00 AM PDTGood
Mesa11GoodPM2.512:00 AM PDTGood
Quincy11GoodPM2.512:00 AM PDTGood
Taholah11GoodPM2.512:00 AM PDTGood
Confederated Tribes and Bands of Yakama Nations9GoodPM2.512:00 AM PDT—
Raymond9GoodPM2.512:00 AM PDT17Good
Rosalia9GoodPM2.511:00 PM PSTGood
Pomeroy8GoodPM2.512:00 AM PDT—
Cascades of East King County7GoodPM2.512:00 AM PDT33Good
Mount Vernon4GoodPM2.512:00 AM PDTGood
Shelton4GoodPM2.512:00 AM PDT22Good
Cascade foothills of King-Pierce Counties———33Good
Chelan———Good
Lacrosse———Good
Leavenworth———Good
Maple Falls———Moderate
Oak Harbor———Good
Spokane Tribe of Spokane Reservation————
Walla Walla———Good

Source: U.S. EPA AirNow reporting area file, published Oct 28, 2026, 3:15 AM EDT. Areas without a number report a category only or have no current reading.

Reading this table

Each area's AQI is the highest of the pollutants its agency reports, usually ozone or fine particles (PM2.5). A reading of 101 or more is Unhealthy for Sensitive Groups. Open an area to see its forecast, nearby monitor readings and health guidance, or see the AQI scale.

Other states

Preliminary data. AirNow readings and forecasts come from federal, state, local and tribal air quality agencies. They are not fully verified, may change, and must not be used for regulatory or official decisions; official data are in EPA's Air Quality System. For the latest official readings and advisories, check AirNow.gov and your state or local air agency.

This page is general information, not medical advice. If you have symptoms or a health condition, follow your doctor's guidance.