Radon License Difficulty by State (2026)

Compare radon license difficulty across 51 states. Average difficulty: 3/100. Easiest in Alaska (2), hardest in Connecticut (4).

Average

Easiest

Alaska

Score: 2

Hardest

Connecticut

Score: 4

#	State	Score	Grade	Label	Confidence
1	Alaska	2	A	Very Easy	33%
2	Arizona	2	A	Very Easy	33%
3	Arkansas	2	A	Very Easy	33%
4	California	2	A	Very Easy	33%
5	Delaware	2	A	Very Easy	33%
6	District of Columbia	2	A	Very Easy	33%
7	Georgia	2	A	Very Easy	33%
8	Hawaii	2	A	Very Easy	33%
9	Idaho	2	A	Very Easy	33%
10	Iowa	2	A	Very Easy	33%
11	Louisiana	2	A	Very Easy	33%
12	Maryland	2	A	Very Easy	33%
13	Massachusetts	2	A	Very Easy	33%
14	Michigan	2	A	Very Easy	33%
15	Mississippi	2	A	Very Easy	33%
16	Montana	2	A	Very Easy	33%
17	Nevada	2	A	Very Easy	33%
18	New Mexico	2	A	Very Easy	33%
19	New York	2	A	Very Easy	33%
20	North Carolina	2	A	Very Easy	33%
21	North Dakota	2	A	Very Easy	33%
22	Oklahoma	2	A	Very Easy	33%
23	South Carolina	2	A	Very Easy	33%
24	South Dakota	2	A	Very Easy	33%
25	Texas	2	A	Very Easy	33%
26	Utah	2	A	Very Easy	33%
27	Vermont	2	A	Very Easy	33%
28	Washington	2	A	Very Easy	33%
29	West Virginia	2	A	Very Easy	33%
30	Wisconsin	2	A	Very Easy	33%
31	Wyoming	2	A	Very Easy	33%
32	Alabama	3	A	Very Easy	50%
33	Colorado	3	A	Very Easy	50%
34	Florida	3	A	Very Easy	50%
35	Indiana	3	A	Very Easy	50%
36	Kansas	3	A	Very Easy	50%
37	Kentucky	3	A	Very Easy	50%
38	Maine	3	A	Very Easy	50%
39	Missouri	3	A	Very Easy	50%
40	Nebraska	3	A	Very Easy	50%
41	New Hampshire	3	A	Very Easy	50%
42	Oregon	3	A	Very Easy	50%
43	Rhode Island	3	A	Very Easy	50%
44	Tennessee	3	A	Very Easy	50%
45	Virginia	3	A	Very Easy	50%
46	Connecticut	4	A	Very Easy	50%
47	Illinois	4	A	Very Easy	50%
48	Minnesota	4	A	Very Easy	50%
49	New Jersey	4	A	Very Easy	50%
50	Ohio	4	A	Very Easy	50%
51	Pennsylvania	4	A	Very Easy	50%

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FAQ

Which state is easiest to get a radon license?

Alaska has the easiest radon license with a difficulty score of 2/100.

Which state is hardest to get a radon license?

Pennsylvania has the hardest radon license with a difficulty score of 4/100.

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