Texas Cities Ranked by Indoor Radon Levels

Measured averages from Airthings devices across Texas, USA. Action level: 4 pCi/L — the threshold at which remediation is recommended.

Lubbock has the highest measured indoor radon in Texas at 4.9 pCi/L, based on Airthings measurements across 151 cities.

Updated August 30, 2026

Highest city

4.9pCi/L

Lubbock

Texas city average

1.0pCi/L

across 151 cities

Above action level

1/ 151

cities

Texas Cities Ranked by Indoor Radon Levels
#	Location	Avg level	vs action level
1	Lubbock	4.9 pCi/L	1.2× over
✓ Below EPA action level (4 pCi/L)
2	Shavano Park	3.2 pCi/L	0.8× under
3	Wolfforth	2.8 pCi/L	0.7× under
4	Killeen	2.8 pCi/L	0.7× under
5	Cockrell Hill	2.6 pCi/L	0.7× under
6	Canutillo	2.2 pCi/L	0.6× under
7	Farmers Branch	2.1 pCi/L	0.5× under
8	Melissa	2.1 pCi/L	0.5× under
9	Manchaca	2.0 pCi/L	0.5× under
10	University Park	2.0 pCi/L	0.5× under
11	Arlington	2.0 pCi/L	0.5× under
12	Pearland	2.0 pCi/L	0.5× under
13	Live Oak	2.0 pCi/L	0.5× under
14	Hollywood Park	1.8 pCi/L	0.5× under
15	Wells Branch	1.8 pCi/L	0.5× under
16	Irving	1.8 pCi/L	0.4× under
17	Lost Creek	1.7 pCi/L	0.4× under
18	Waxahachie	1.7 pCi/L	0.4× under
19	Weatherford	1.7 pCi/L	0.4× under
20	Addison	1.7 pCi/L	0.4× under
21	Sienna Plantation	1.6 pCi/L	0.4× under
22	Rockwall	1.6 pCi/L	0.4× under
23	Carrollton	1.6 pCi/L	0.4× under
24	Murphy	1.5 pCi/L	0.4× under
25	Round Rock	1.5 pCi/L	0.4× under
26	Garland	1.5 pCi/L	0.4× under
27	Buda	1.4 pCi/L	0.4× under
28	Lago Vista	1.4 pCi/L	0.4× under
29	Richardson	1.4 pCi/L	0.4× under
30	Dallas	1.4 pCi/L	0.4× under
31	Rowlett	1.4 pCi/L	0.3× under
32	Canyon Lake	1.4 pCi/L	0.3× under
33	Leon Valley	1.3 pCi/L	0.3× under
34	New Braunfels	1.3 pCi/L	0.3× under
35	Burleson	1.3 pCi/L	0.3× under
36	El Paso	1.3 pCi/L	0.3× under
37	Denton	1.3 pCi/L	0.3× under
38	Haltom City	1.2 pCi/L	0.3× under
39	Plano	1.2 pCi/L	0.3× under
40	Sparks	1.2 pCi/L	0.3× under
41	Highland Park	1.2 pCi/L	0.3× under
42	Frisco	1.2 pCi/L	0.3× under
43	Jollyville	1.2 pCi/L	0.3× under
44	Shady Hollow	1.2 pCi/L	0.3× under
45	Benbrook	1.1 pCi/L	0.3× under
46	Lewisville	1.1 pCi/L	0.3× under
47	Wichita Falls	1.1 pCi/L	0.3× under
48	Pflugerville	1.1 pCi/L	0.3× under
49	Abilene	1.1 pCi/L	0.3× under
50	McKinney	1.1 pCi/L	0.3× under
51	Timberwood Park	1.1 pCi/L	0.3× under
52	Blue Mound	1.0 pCi/L	0.3× under
53	Watauga	1.0 pCi/L	0.3× under
54	Austin	1.0 pCi/L	0.3× under
55	Flower Mound	1.0 pCi/L	0.2× under
56	Rollingwood	1.0 pCi/L	0.2× under
57	Prosper	0.9 pCi/L	0.2× under
58	Onion Creek	0.9 pCi/L	0.2× under
59	Richmond	0.9 pCi/L	0.2× under
60	Grapevine	0.9 pCi/L	0.2× under
61	Brushy Creek	0.9 pCi/L	0.2× under
62	Serenada	0.9 pCi/L	0.2× under
63	The Colony	0.9 pCi/L	0.2× under
64	West Lake Hills	0.9 pCi/L	0.2× under
65	Lakeway	0.9 pCi/L	0.2× under
66	Colleyville	0.9 pCi/L	0.2× under
67	Granite Shoals	0.9 pCi/L	0.2× under
68	Southlake	0.9 pCi/L	0.2× under
69	Coppell	0.8 pCi/L	0.2× under
70	Fairview	0.8 pCi/L	0.2× under
71	Hornsby Bend	0.8 pCi/L	0.2× under
72	Little Elm	0.8 pCi/L	0.2× under
73	Saginaw	0.8 pCi/L	0.2× under
74	Bryan	0.8 pCi/L	0.2× under
75	Bulverde	0.8 pCi/L	0.2× under
76	Allen	0.8 pCi/L	0.2× under
77	Edinburg	0.8 pCi/L	0.2× under
78	Terrell Hills	0.8 pCi/L	0.2× under
79	Magnolia	0.8 pCi/L	0.2× under
80	Hunters Creek Village	0.8 pCi/L	0.2× under
81	Roanoke	0.8 pCi/L	0.2× under
82	The Woodlands	0.7 pCi/L	0.2× under
83	Anderson Mill	0.7 pCi/L	0.2× under
84	Midland	0.7 pCi/L	0.2× under
85	Piney Point Village	0.7 pCi/L	0.2× under
86	Corinth	0.7 pCi/L	0.2× under
87	Cedar Park	0.7 pCi/L	0.2× under
88	Fulshear	0.7 pCi/L	0.2× under
89	Argyle	0.7 pCi/L	0.2× under
90	Celina	0.7 pCi/L	0.2× under
91	Atascocita	0.7 pCi/L	0.2× under
92	San Antonio	0.7 pCi/L	0.2× under
93	Pecan Grove	0.7 pCi/L	0.2× under
94	Sugar Land	0.7 pCi/L	0.2× under
95	Barton Creek	0.7 pCi/L	0.2× under
96	Georgetown	0.7 pCi/L	0.2× under
97	Missouri City	0.7 pCi/L	0.2× under
98	Dripping Springs	0.6 pCi/L	0.2× under
99	Trophy Club	0.6 pCi/L	0.2× under
100	Bunker Hill Village	0.6 pCi/L	0.2× under
101	San Marcos	0.6 pCi/L	0.2× under
102	Corpus Christi	0.6 pCi/L	0.2× under
103	Fort Worth	0.6 pCi/L	0.2× under
104	Bee Cave	0.6 pCi/L	0.1× under
105	Jersey Village	0.6 pCi/L	0.1× under
106	Crowley	0.6 pCi/L	0.1× under
107	Harlingen	0.6 pCi/L	0.1× under
108	Helotes	0.6 pCi/L	0.1× under
109	Leander	0.6 pCi/L	0.1× under
110	Friendswood	0.6 pCi/L	0.1× under
111	Fair Oaks Ranch	0.6 pCi/L	0.1× under
112	Cypress	0.6 pCi/L	0.1× under
113	Bertram	0.5 pCi/L	0.1× under
114	Keller	0.5 pCi/L	0.1× under
115	Morgans Point Resort	0.5 pCi/L	0.1× under
116	Webster	0.5 pCi/L	0.1× under
117	Mission Bend	0.5 pCi/L	0.1× under
118	White Settlement	0.5 pCi/L	0.1× under
119	Boerne	0.5 pCi/L	0.1× under
120	Alamo Heights	0.5 pCi/L	0.1× under
121	The Hills	0.5 pCi/L	0.1× under
122	Hutto	0.5 pCi/L	0.1× under
123	Katy	0.5 pCi/L	0.1× under
124	Dalworthington Gardens	0.5 pCi/L	0.1× under
125	Oak Cliff Place	0.5 pCi/L	0.1× under
126	Wylie	0.5 pCi/L	0.1× under
127	Aldine	0.5 pCi/L	0.1× under
128	Greatwood	0.5 pCi/L	0.1× under
129	Iowa Colony	0.5 pCi/L	0.1× under
130	Kyle	0.5 pCi/L	0.1× under
131	Jonestown	0.4 pCi/L	0.1× under
132	League City	0.4 pCi/L	0.1× under
133	Houston	0.4 pCi/L	0.1× under
134	Shenandoah	0.4 pCi/L	0.1× under
135	Bellaire	0.4 pCi/L	0.1× under
136	Fifth Street	0.4 pCi/L	0.1× under
137	Hudson	0.4 pCi/L	0.1× under
138	Southside Place	0.4 pCi/L	0.1× under
139	Conroe	0.4 pCi/L	0.1× under
140	Castle Hills	0.4 pCi/L	0.1× under
141	Meadows Place	0.4 pCi/L	0.1× under
142	Spring	0.4 pCi/L	0.1× under
143	Spring Valley	0.4 pCi/L	0.1× under
144	Hudson Bend	0.4 pCi/L	0.1× under
145	Humble	0.4 pCi/L	0.1× under
146	Tomball	0.4 pCi/L	0.1× under
147	Hedwig Village	0.3 pCi/L	0.1× under
148	Cinco Ranch	0.3 pCi/L	0.1× under
149	College Station	0.3 pCi/L	0.1× under
150	West University Place	0.3 pCi/L	0.1× under
151	Panorama Village	0.3 pCi/L	0.1× under

See USA cities ranked by radon level See all States ranked by radon level