Cities with the Cleanest Air in Washington.

Cities in Washington with the most good AQI days per year.

121 cities ranked · See the national list

#	City	Population	Good AQI Days	Median AQI	Unhealthy Days
1	Aberdeen	17,088	355 days/yr	22	0 days/yr
2	Mount Vernon	35,377	354 days/yr	25	0 days/yr
3	Anacortes	17,966	354 days/yr	25	0 days/yr
4	Sedro-Woolley	12,831	354 days/yr	25	0 days/yr
5	Bellingham	93,438	342 days/yr	31	1 days/yr
6	Lynden	16,234	342 days/yr	31	1 days/yr
7	Ferndale	15,999	342 days/yr	31	1 days/yr
8	Birch Bay	10,837	342 days/yr	31	1 days/yr
9	Bremerton	44,830	340 days/yr	22	0 days/yr
10	Bainbridge Island	24,631	340 days/yr	22	0 days/yr
11	Silverdale	20,685	340 days/yr	22	0 days/yr
12	Port Orchard	17,149	340 days/yr	22	0 days/yr
13	Poulsbo	12,165	340 days/yr	22	0 days/yr
14	Shelton	10,612	330 days/yr	23	1 days/yr
15	Port Townsend	10,438	326 days/yr	20	0 days/yr
16	Pullman	32,229	317 days/yr	23	0 days/yr
17	Pasco	79,575	312 days/yr	23	0 days/yr
18	Port Angeles	20,118	312 days/yr	29	0 days/yr
19	Vancouver	195,300	302 days/yr	33	0 days/yr
20	Orchards	29,438	302 days/yr	33	0 days/yr
21	Camas	27,007	302 days/yr	33	0 days/yr
22	Hazel Dell	23,237	302 days/yr	33	0 days/yr
23	Battle Ground	21,886	302 days/yr	33	0 days/yr
24	Five Corners	21,194	302 days/yr	33	0 days/yr
25	Salmon Creek	20,017	302 days/yr	33	0 days/yr
26	Washougal	17,490	302 days/yr	33	0 days/yr
27	Ridgefield	13,408	302 days/yr	33	0 days/yr
28	Minnehaha	11,482	302 days/yr	33	0 days/yr
29	Felida	10,841	302 days/yr	33	0 days/yr
30	Mount Vista	10,764	302 days/yr	33	0 days/yr
31	Walla Walla	33,925	295 days/yr	28	0 days/yr
32	Centralia	18,830	295 days/yr	20	0 days/yr
33	Kennewick	85,295	293 days/yr	36	0 days/yr
34	Richland	62,753	293 days/yr	36	0 days/yr
35	West Richland	17,586	293 days/yr	36	0 days/yr
36	Ellensburg	20,874	292 days/yr	25	0 days/yr
37	Moses Lake	26,083	291 days/yr	28	1 days/yr
38	Tacoma	222,758	267 days/yr	44	0 days/yr
39	South Hill	68,025	267 days/yr	44	0 days/yr
40	Lakewood	62,937	267 days/yr	44	0 days/yr
41	Puyallup	42,746	267 days/yr	44	0 days/yr
42	Parkland	38,742	267 days/yr	44	0 days/yr
43	Graham	35,079	267 days/yr	44	0 days/yr
44	University Place	34,911	267 days/yr	44	0 days/yr
45	Spanaway	34,019	267 days/yr	44	0 days/yr
46	Frederickson	25,383	267 days/yr	44	0 days/yr
47	Bonney Lake	22,090	267 days/yr	44	0 days/yr
48	Elk Plain	14,276	267 days/yr	44	0 days/yr
49	Artondale	14,073	267 days/yr	44	0 days/yr
50	Edgewood	13,032	267 days/yr	44	0 days/yr
51	Lake Tapps	12,798	267 days/yr	44	0 days/yr
52	Gig Harbor	12,424	267 days/yr	44	0 days/yr
53	Prairie Ridge	12,074	267 days/yr	44	0 days/yr
54	Fife	10,949	267 days/yr	44	0 days/yr
55	Sumner	10,733	267 days/yr	44	0 days/yr
56	Wenatchee	35,484	254 days/yr	35	9 days/yr
57	Everett	111,845	248 days/yr	41	0 days/yr
58	Marysville	73,002	248 days/yr	41	0 days/yr
59	Edmonds	42,735	248 days/yr	41	0 days/yr
60	Lake Stevens	40,253	248 days/yr	41	0 days/yr
61	Lynnwood	40,110	248 days/yr	41	0 days/yr
62	Mill Creek East	25,453	248 days/yr	41	0 days/yr
63	Eastmont	23,721	248 days/yr	41	0 days/yr
64	North Lynnwood	23,339	248 days/yr	41	0 days/yr
65	Mountlake Terrace	23,104	248 days/yr	41	0 days/yr
66	Martha Lake	22,634	248 days/yr	41	0 days/yr
67	Silver Firs	22,306	248 days/yr	41	0 days/yr
68	Bothell West	22,029	248 days/yr	41	0 days/yr
69	Mukilteo	21,323	248 days/yr	41	0 days/yr
70	Arlington	21,095	248 days/yr	41	0 days/yr
71	Mill Creek	20,956	248 days/yr	41	0 days/yr
72	Monroe	19,755	248 days/yr	41	0 days/yr
73	Lake Stickney	15,890	248 days/yr	41	0 days/yr
74	Bothell East	14,578	248 days/yr	41	0 days/yr
75	Maltby	10,910	248 days/yr	41	0 days/yr
76	Alderwood Manor	10,266	248 days/yr	41	0 days/yr
77	Snohomish	10,239	248 days/yr	41	0 days/yr
78	Seattle	754,195	245 days/yr	43	0 days/yr
79	Bellevue	151,847	245 days/yr	43	0 days/yr
80	Kent	135,603	245 days/yr	43	0 days/yr
81	Renton	105,317	245 days/yr	43	0 days/yr
82	Federal Way	99,493	245 days/yr	43	0 days/yr
83	Kirkland	92,621	245 days/yr	43	0 days/yr
84	Auburn	85,676	245 days/yr	43	0 days/yr
85	Redmond	77,353	245 days/yr	43	0 days/yr
86	Sammamish	66,463	245 days/yr	43	0 days/yr
87	Shoreline	61,431	245 days/yr	43	0 days/yr
88	Burien	51,513	245 days/yr	43	0 days/yr
89	Bothell	49,610	245 days/yr	43	0 days/yr
90	Issaquah	39,591	245 days/yr	43	0 days/yr
91	Des Moines	32,823	245 days/yr	43	0 days/yr
92	SeaTac	32,414	245 days/yr	43	0 days/yr
93	Maple Valley	28,287	245 days/yr	43	0 days/yr
94	Mercer Island	25,307	245 days/yr	43	0 days/yr
95	Kenmore	23,741	245 days/yr	43	0 days/yr
96	Union Hill-Novelty Hill	23,047	245 days/yr	43	0 days/yr
97	Cottage Lake	22,518	245 days/yr	43	0 days/yr
98	Tukwila	21,451	245 days/yr	43	0 days/yr
99	Covington	21,233	245 days/yr	43	0 days/yr
100	Fairwood (King County)	17,856	245 days/yr	43	0 days/yr
101	Bryn Mawr-Skyway	17,638	245 days/yr	43	0 days/yr
102	Lakeland North	15,950	245 days/yr	43	0 days/yr
103	White Center	14,886	245 days/yr	43	0 days/yr
104	Snoqualmie	13,798	245 days/yr	43	0 days/yr
105	Woodinville	13,438	245 days/yr	43	0 days/yr
106	Lake Forest Park	13,335	245 days/yr	43	0 days/yr
107	Lakeland South	13,100	245 days/yr	43	0 days/yr
108	Newcastle	12,989	245 days/yr	43	0 days/yr
109	Enumclaw	12,798	245 days/yr	43	0 days/yr
110	East Renton Highlands	12,582	245 days/yr	43	0 days/yr
111	Lake Morton-Berrydale	11,183	245 days/yr	43	0 days/yr
112	Vashon	9,934	245 days/yr	43	0 days/yr
113	Spokane	230,293	236 days/yr	43	0 days/yr
114	Spokane Valley	106,365	236 days/yr	43	0 days/yr
115	Cheney	12,804	236 days/yr	43	0 days/yr
116	Liberty Lake	12,737	236 days/yr	43	0 days/yr
117	Airway Heights	11,245	236 days/yr	43	0 days/yr
118	Fairwood (Spokane County)	10,674	236 days/yr	43	0 days/yr
119	Yakima	96,961	226 days/yr	41	1 days/yr
120	Sunnyside	16,277	226 days/yr	41	1 days/yr
121	Grandview	11,187	226 days/yr	41	1 days/yr