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Worst Air Quality ZIP Codes in Massachusetts

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

Top 50

#	ZIP Code	City / Suburb	Median AQI
1	02019	Bellingham	39
2	02021	—	39
3	02025	—	39
4	02026	Dedham	39
5	02030	Dover	39
6	02032	—	39
7	02035	Foxborough	39
8	02038	Franklin Town	39
9	02052	Medfield	39
10	02053	—	39
11	02054	Millis-Clicquot	39
12	02056	—	39
13	02062	Norwood	39
14	02067	Sharon	39
15	02071	—	39
16	02072	—	39
17	02081	Walpole	39
18	02090	Norwood	39
19	02093	—	39
20	02169	Quincy	39
21	02170	Quincy	39
22	02171	Quincy	39
23	02184	Braintree Town	39
24	02186	Milton	39
25	02188	Weymouth Town	39
26	02189	Weymouth Town	39
27	02190	Weymouth Town	39
28	02191	Weymouth Town	39
29	02322	—	39
30	02343	Holbrook	39
31	02368	Randolph Town	39
32	02445	Brookline	39
33	02446	Brookline	39
34	02457	Wellesley	39
35	02467	Brookline	39
36	02481	Wellesley	39
37	02482	Wellesley	39
38	02492	Needham	39
39	02494	Needham	39
40	02762	—	39
41	01029	—	38
42	01201	Pittsfield	38
43	01220	Adams	38
44	01222	—	38
45	01223	—	38
46	01224	—	38
47	01225	Cheshire	38
48	01226	—	38
49	01229	—	38
50	01230	Great Barrington	38

Methodology

This ranking is based on EPA Air Quality Index data, scoped to Massachusetts 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.

Related rankings

Other states

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