Clasificaciones 2026

Códigos ZIP con mayor riesgo de radón en Massachusetts — 2026

Última actualización: 4 de junio de 2026

269 códigos postales clasificados por Radon Zone N.º 1: código postal 02148 (Malden, MA) — Zone 1 (High)

Out of 269 ZIP codes with data in Massachusetts, these are the lowest-ranked areas for radon zone. See also: National ZIP Codes with Highest Radon Risk | All Massachusetts Rankings

Statistic Value
ZIP codes ranked 269
Lowest value Zone 1 (High)
Median value Zone 1 (High)
State Massachusetts

100 Lowest-Ranked ZIP Codes

Rank ZIP Code City State Radon Zone Safety Score
1 02148 Malden MA Zone 1 (High) 33/100
2 02155 Medford MA Zone 1 (High) 36/100
3 01074 South Barre MA Zone 1 (High) 40/100
4 01366 Petersham MA Zone 1 (High) 40/100
5 01431 Ashby MA Zone 1 (High) 40/100
6 01438 East Templeton MA Zone 1 (High) 40/100
7 01467 Still River MA Zone 1 (High) 40/100
8 01472 West Groton MA Zone 1 (High) 40/100
9 01508 Charlton City MA Zone 1 (High) 40/100
10 01509 Charlton Depot MA Zone 1 (High) 40/100
11 01523 Lancaster MA Zone 1 (High) 40/100
12 01525 Linwood MA Zone 1 (High) 40/100
13 01531 New Braintree MA Zone 1 (High) 40/100
14 01537 North Oxford MA Zone 1 (High) 40/100
15 01538 North Uxbridge MA Zone 1 (High) 40/100
16 01541 Princeton MA Zone 1 (High) 40/100
17 01586 West Millbury MA Zone 1 (High) 40/100
18 01718 Village Of Nagog Woods MA Zone 1 (High) 40/100
19 01731 Hanscom Afb MA Zone 1 (High) 40/100
20 01784 Woodville MA Zone 1 (High) 40/100
21 01862 North Billerica MA Zone 1 (High) 40/100
22 01865 Nutting Lake MA Zone 1 (High) 40/100
23 01885 West Boxford MA Zone 1 (High) 40/100
24 01937 Hathorne MA Zone 1 (High) 40/100
25 02156 West Medford MA Zone 1 (High) 40/100
26 02455 North Waltham MA Zone 1 (High) 40/100
27 02456 New Town MA Zone 1 (High) 40/100
28 02459 Newton Center MA Zone 1 (High) 40/100
29 02461 Newton Highlands MA Zone 1 (High) 40/100
30 02468 Waban MA Zone 1 (High) 40/100
31 02475 Arlington Heights MA Zone 1 (High) 40/100
32 02479 Waverley MA Zone 1 (High) 40/100
33 02495 Nonantum MA Zone 1 (High) 40/100
34 01821 Billerica MA Zone 1 (High) 43/100
35 02176 Melrose MA Zone 1 (High) 43/100
36 01866 Pinehurst MA Zone 1 (High) 45/100
37 01879 Tyngsboro MA Zone 1 (High) 45/100
38 01950 Newburyport MA Zone 1 (High) 45/100
39 01982 South Hamilton MA Zone 1 (High) 45/100
40 02460 Newtonville MA Zone 1 (High) 45/100
41 02465 West Newton MA Zone 1 (High) 45/100
42 02481 Wellesley Hills MA Zone 1 (High) 45/100
43 02153 Medford MA Zone 1 (High) 46/100
44 01810 Andover MA Zone 1 (High) 47/100
45 01921 Boxford MA Zone 1 (High) 49/100
46 01568 Upton MA Zone 1 (High) 50/100
47 01822 Billerica MA Zone 1 (High) 51/100
48 01938 Ipswich MA Zone 1 (High) 51/100
49 01952 Salisbury MA Zone 1 (High) 51/100
50 01951 Newbury MA Zone 1 (High) 52/100
51 01068 Oakham MA Zone 1 (High) 53/100
52 01474 West Townsend MA Zone 1 (High) 53/100
53 01518 Fiskdale MA Zone 1 (High) 53/100
54 01519 Grafton MA Zone 1 (High) 53/100
55 01522 Jefferson MA Zone 1 (High) 53/100
56 01527 Millbury MA Zone 1 (High) 53/100
57 01529 Millville MA Zone 1 (High) 53/100
58 01561 South Lancaster MA Zone 1 (High) 53/100
59 01745 Fayville MA Zone 1 (High) 53/100
60 01908 Nahant MA Zone 1 (High) 53/100
61 01965 Prides Crossing MA Zone 1 (High) 53/100
62 02135 Brighton MA Zone 1 (High) 53/100
63 02462 Newton Lower Falls MA Zone 1 (High) 53/100
64 02466 Auburndale MA Zone 1 (High) 53/100
65 01524 Leicester MA Zone 1 (High) 54/100
66 01611 Cherry Valley MA Zone 1 (High) 55/100
67 01841 Lawrence MA Zone 1 (High) 55/100
68 01845 North Andover MA Zone 1 (High) 55/100
69 01867 Reading MA Zone 1 (High) 55/100
70 01906 Saugus MA Zone 1 (High) 55/100
71 01907 Swampscott MA Zone 1 (High) 55/100
72 01930 Gloucester MA Zone 1 (High) 55/100
73 01945 Marblehead MA Zone 1 (High) 55/100
74 01960 Peabody MA Zone 1 (High) 55/100
75 01966 Rockport MA Zone 1 (High) 55/100
76 02474 Arlington MA Zone 1 (High) 55/100
77 01005 Barre MA Zone 1 (High) 56/100
78 01742 Concord MA Zone 1 (High) 56/100
79 01749 Hudson MA Zone 1 (High) 56/100
80 01812 Andover MA Zone 1 (High) 56/100
81 01899 Andover MA Zone 1 (High) 56/100
82 02238 Cambridge MA Zone 1 (High) 56/100
83 02239 Cambridge MA Zone 1 (High) 56/100
84 05501 Andover MA Zone 1 (High) 56/100
85 05544 Andover MA Zone 1 (High) 56/100
86 01757 Milford MA Zone 1 (High) 57/100
87 01760 Natick MA Zone 1 (High) 58/100
88 01801 Woburn MA Zone 1 (High) 58/100
89 01830 Haverhill MA Zone 1 (High) 58/100
90 01844 Methuen MA Zone 1 (High) 58/100
91 01851 Lowell MA Zone 1 (High) 58/100
92 01854 Lowell MA Zone 1 (High) 58/100
93 01863 North Chelmsford MA Zone 1 (High) 58/100
94 01876 Tewksbury MA Zone 1 (High) 58/100
95 01880 Wakefield MA Zone 1 (High) 58/100
96 01913 Amesbury MA Zone 1 (High) 58/100
97 01915 Beverly MA Zone 1 (High) 58/100
98 02138 Cambridge MA Zone 1 (High) 58/100
99 02139 Cambridge MA Zone 1 (High) 58/100
100 02140 Cambridge MA Zone 1 (High) 58/100

Methodology

Radon rankings are based on EPA county-level radon zone classifications. Zone 1 (highest risk) has predicted average indoor radon levels above 4 pCi/L — the EPA action level. Zone 2 is moderate (2-4 pCi/L) and Zone 3 is low (below 2 pCi/L). Within Zone 1, ZIP codes are sub-ranked by Home Safety Score to prioritize areas with compounding risk factors.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-06-04.

Frequently Asked Questions

What is EPA Radon Zone 1?

Zone 1 is the EPA highest-risk classification, meaning the county has predicted average indoor radon levels above 4 pCi/L — the level at which the EPA recommends mitigation. Radon causes about 21,000 lung cancer deaths per year in the U.S.

Should I test for radon?

The EPA recommends testing all homes regardless of radon zone. A DIY test kit costs $15-40. Professional testing costs $150-250. If levels exceed 4 pCi/L, mitigation systems ($800-2,500) can reduce radon by up to 99%.

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Cómo se calcula esta clasificación, fuentes de datos y limitaciones: Metodología de clasificaciones →


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