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Worst Air Quality in Washington

Top 100 cities ranked by worst air quality

Best Washington Cities

Composite rankings combining multiple weighted metrics — 4 topics from climate and air quality data.

Best Climate Cities
Warm temperatures, plenty of sunshine and clean air.
Cleanest Air Cities
Lowest pollution levels for healthy outdoor living.
Sunniest Cities
Most days of sunshine per year, with warm and dry climate.
Most Urban Cities
Densely populated city centers with the largest urban footprints.
Population & Density
Largest Cities Smallest Cities Most Dense Least Dense
Economy
Highest Income Lowest Income Lowest Unemployment Highest Unemployment Lowest Poverty Highest Poverty Highest Wages Cheapest Cost of Living
Housing
Highest Home Value Most Affordable Highest Rent Lowest Rent Highest Homeownership Newest Housing Lowest Property Tax
Demographics & Education
Most Educated Best Schools Most Graduate Degrees Youngest Cities Oldest Cities Most Veterans
Health & Safety
Safest Cities Highest Crime Healthiest Cities Lowest Smoking Best Doctor Access Best Dental Access
Climate & Air
Warmest Cities Coldest Cities Rainiest Cities Driest Cities Sunniest Cities Snowiest Cities Cleanest Air Worst Air Quality
Quality of Life
Shortest Commute Most Work From Home
Civic & Politics
Most Republican Most Democratic Most Disasters
Geography & Infrastructure
Highest Elevation Best Broadband Most EV Stations Most Libraries Most Restaurants
All Countries  ·  United States  ·  Washington

Worst Air Quality — Washington

1 Spokane AQI 38
2 Snohomish AQI 38
3 Yakima AQI 37
4 Seattle AQI 28
5 Tacoma AQI 28
6 Vancouver AQI 28
7 Bellevue AQI 28
8 Kent AQI 28
9 Everett AQI 28
10 Spokane Valley AQI 28
11 Renton AQI 28
12 Federal Way AQI 28
13 Bellingham AQI 28
14 Kirkland AQI 28
15 Auburn AQI 28
16 Kennewick AQI 28
17 Pasco AQI 28
18 Redmond AQI 28
19 Marysville AQI 28
20 South Hill AQI 28
21 Sammamish AQI 28
22 Lakewood AQI 28
23 Richland AQI 28
24 Shoreline AQI 28
25 Lacey AQI 28
26 Olympia AQI 28
27 Burien AQI 28
28 Bothell AQI 28
29 Bremerton AQI 28
30 Edmonds AQI 28
31 Puyallup AQI 28
32 Lynnwood AQI 28
33 Lake Stevens AQI 28
34 Issaquah AQI 28
35 Parkland AQI 28
36 Longview AQI 28
37 Wenatchee AQI 28
38 Mount Vernon AQI 28
39 Graham AQI 28
40 University Place AQI 28
41 Spanaway AQI 28
42 Des Moines AQI 28
43 Pullman AQI 28
44 SeaTac AQI 28
45 Orchards AQI 28
46 Maple Valley AQI 28
47 Camas AQI 28
48 Tumwater AQI 28
49 Moses Lake AQI 28
50 Mill Creek East AQI 28
51 Mercer Island AQI 28
52 Bainbridge Island AQI 28
53 Oak Harbor AQI 28
54 Frederickson AQI 28
55 North Lynnwood AQI 28
56 Kenmore AQI 28
57 Eastmont AQI 28
58 Union Hill-Novelty Hill AQI 28
59 Cottage Lake AQI 28
60 Hazel Dell AQI 28
61 Bonney Lake AQI 28
62 Martha Lake AQI 28
63 Silver Firs AQI 28
64 Tukwila AQI 28
65 Five Corners AQI 28
66 Mountlake Terrace AQI 28
67 Mukilteo AQI 28
68 Battle Ground AQI 28
69 Silverdale AQI 28
70 Bothell West AQI 28
71 Covington AQI 28
72 Mill Creek AQI 28
73 Arlington AQI 28
74 Port Angeles AQI 28
75 Monroe AQI 28
76 Salmon Creek AQI 28
77 Ellensburg AQI 28
78 Centralia AQI 28
79 Fairwood CDP (King County) AQI 28
80 Anacortes AQI 28
81 Bryn Mawr-Skyway AQI 28
82 Camano AQI 28
83 West Richland AQI 28
84 Aberdeen AQI 28
85 Washougal AQI 28
86 Port Orchard AQI 28
87 Sunnyside AQI 28
88 Lynden AQI 28
89 Lake Stickney AQI 28
90 Ferndale AQI 28
91 White Center AQI 28
92 Lakeland North AQI 28
93 Bothell East AQI 28
94 East Wenatchee AQI 28
95 Artondale AQI 28
96 Fort Lewis AQI 28
97 Elk Plain AQI 28
98 Snoqualmie AQI 28
99 Woodinville AQI 28
100 Lake Forest Park AQI 28

Explore the top 100 cities ranked by worst air quality in Washington.

City rankings help residents, researchers, and policymakers understand how communities compare across important quality-of-life measures.

Data is sourced from the U.S. Census Bureau, FBI Crime Statistics, and NOAA climate records.

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