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Best Air Quality ZIP Codes in Washington

Top 50 best air quality zip codes in america in Washington. ZIP-level data from EPA Air Quality Index.

Top 50

#	ZIP Code	City / Suburb	Median AQI
1	98527	Bay Center	16
2	98547	Grayland	16
3	98577	Raymond	16
4	98586	South Bend	16
5	98590	Tokeland	16
6	98614	Chinook	16
7	98621	Grays River	16
8	98624	Ilwaco	16
9	98631	Long Beach	16
10	98638	Deep River	16
11	98640	Ocean Park	16
12	98641	—	16
13	98644	—	16
14	98602	—	17
15	98613	Centerville	17
16	98617	Dallesport	17
17	98619	Glenwood	17
18	98620	Goldendale	17
19	98623	—	17
20	98628	Klickitat	17
21	98635	Dallesport	17
22	98650	Trout Lake	17
23	98670	—	17
24	98672	White Salmon	17
25	98673	Wishram	17
26	99322	Bickleton	17
27	99347	Pomeroy	17
28	99356	Roosevelt	17
29	99105	—	18
30	99169	Ritzville	18
31	99341	Lind	18
32	99344	Othello	18
33	99371	Washtucna	18
34	98110	Bainbridge Island	19
35	98310	Bremerton	19
36	98311	Tracyton	19
37	98312	Bremerton	19
38	98314	Bremerton	19
39	98315	Bangor Base	19
40	98337	Bremerton	19
41	98340	Hansville	19
42	98342	Indianola	19
43	98345	Keyport	19
44	98346	Port Gamble Tribal Community	19
45	98353	—	19
46	98359	Burley	19
47	98364	—	19
48	98366	Port Orchard	19
49	98367	Port Orchard	19
50	98370	Suquamish	19

Methodology

This ranking is based on EPA Air Quality Index data, scoped to Washington ZIP codes. Up to 50 ZIP codes are listed, ordered by median aqi. Data is refreshed periodically. See our methodology page for full details on data sources and update frequency.

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