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 155 cities.

Updated September 28, 2026

Highest city

4.9pCi/L

Lubbock

Texas city average

1.0pCi/L

across 155 cities

Above action level

1/ 155

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	2.9 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	Arlington	2.0 pCi/L	0.5× under
10	Pearland	2.0 pCi/L	0.5× under
11	Live Oak	2.0 pCi/L	0.5× under
12	University Park	2.0 pCi/L	0.5× under
13	Manchaca	1.9 pCi/L	0.5× under
14	Hollywood Park	1.8 pCi/L	0.5× under
15	Irving	1.8 pCi/L	0.4× under
16	Wells Branch	1.7 pCi/L	0.4× under
17	Weatherford	1.7 pCi/L	0.4× under
18	Lost Creek	1.7 pCi/L	0.4× under
19	Waxahachie	1.7 pCi/L	0.4× under
20	Addison	1.6 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	Garland	1.5 pCi/L	0.4× under
26	Round Rock	1.5 pCi/L	0.4× under
27	Haltom City	1.5 pCi/L	0.4× under
28	Buda	1.4 pCi/L	0.4× under
29	Richardson	1.4 pCi/L	0.4× under
30	Lago Vista	1.4 pCi/L	0.3× under
31	Rowlett	1.4 pCi/L	0.3× under
32	Dallas	1.4 pCi/L	0.3× under
33	Canyon Lake	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	Leon Valley	1.3 pCi/L	0.3× under
38	Denton	1.2 pCi/L	0.3× under
39	Plano	1.2 pCi/L	0.3× under
40	Frisco	1.2 pCi/L	0.3× under
41	Jollyville	1.2 pCi/L	0.3× under
42	Shady Hollow	1.2 pCi/L	0.3× under
43	Sparks	1.2 pCi/L	0.3× under
44	Benbrook	1.1 pCi/L	0.3× under
45	Highland Park	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	Abilene	1.1 pCi/L	0.3× under
49	McKinney	1.1 pCi/L	0.3× under
50	Pflugerville	1.1 pCi/L	0.3× under
51	Blue Mound	1.0 pCi/L	0.3× under
52	Watauga	1.0 pCi/L	0.3× under
53	Timberwood Park	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	Prosper	0.9 pCi/L	0.2× under
57	Edgecliff Village	0.9 pCi/L	0.2× under
58	Richmond	0.9 pCi/L	0.2× under
59	Brushy Creek	0.9 pCi/L	0.2× under
60	Grapevine	0.9 pCi/L	0.2× under
61	Rollingwood	0.9 pCi/L	0.2× under
62	Serenada	0.9 pCi/L	0.2× under
63	West Lake Hills	0.9 pCi/L	0.2× under
64	Onion Creek	0.9 pCi/L	0.2× under
65	The Colony	0.9 pCi/L	0.2× under
66	Lakeway	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	Colleyville	0.8 pCi/L	0.2× under
74	Saginaw	0.8 pCi/L	0.2× under
75	Terrell Hills	0.8 pCi/L	0.2× under
76	Bryan	0.8 pCi/L	0.2× under
77	Bulverde	0.8 pCi/L	0.2× under
78	Allen	0.8 pCi/L	0.2× under
79	Edinburg	0.8 pCi/L	0.2× under
80	Magnolia	0.8 pCi/L	0.2× under
81	Royse City	0.8 pCi/L	0.2× under
82	Roanoke	0.8 pCi/L	0.2× under
83	Hunters Creek Village	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	Anderson Mill	0.7 pCi/L	0.2× under
87	Corinth	0.7 pCi/L	0.2× under
88	The Woodlands	0.7 pCi/L	0.2× under
89	Cedar Park	0.7 pCi/L	0.2× under
90	Fulshear	0.7 pCi/L	0.2× under
91	Argyle	0.7 pCi/L	0.2× under
92	Celina	0.7 pCi/L	0.2× under
93	Pecan Grove	0.7 pCi/L	0.2× under
94	Atascocita	0.7 pCi/L	0.2× under
95	San Antonio	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	Sugar Land	0.6 pCi/L	0.2× under
100	Trophy Club	0.6 pCi/L	0.2× under
101	Bunker Hill Village	0.6 pCi/L	0.2× under
102	San Marcos	0.6 pCi/L	0.2× under
103	Corpus Christi	0.6 pCi/L	0.2× under
104	Fort Worth	0.6 pCi/L	0.2× under
105	Bee Cave	0.6 pCi/L	0.1× under
106	Jersey Village	0.6 pCi/L	0.1× under
107	Barton Creek	0.6 pCi/L	0.1× under
108	Crowley	0.6 pCi/L	0.1× under
109	Harlingen	0.6 pCi/L	0.1× under
110	Helotes	0.6 pCi/L	0.1× under
111	Leander	0.6 pCi/L	0.1× under
112	Cypress	0.6 pCi/L	0.1× under
113	Fair Oaks Ranch	0.6 pCi/L	0.1× under
114	Friendswood	0.6 pCi/L	0.1× under
115	Bertram	0.5 pCi/L	0.1× under
116	Morgans Point Resort	0.5 pCi/L	0.1× under
117	Odessa	0.5 pCi/L	0.1× under
118	Webster	0.5 pCi/L	0.1× under
119	Keller	0.5 pCi/L	0.1× under
120	Mission Bend	0.5 pCi/L	0.1× under
121	White Settlement	0.5 pCi/L	0.1× under
122	Boerne	0.5 pCi/L	0.1× under
123	Alamo Heights	0.5 pCi/L	0.1× under
124	Haslet	0.5 pCi/L	0.1× under
125	The Hills	0.5 pCi/L	0.1× under
126	Hutto	0.5 pCi/L	0.1× under
127	Houston	0.5 pCi/L	0.1× under
128	Katy	0.5 pCi/L	0.1× under
129	Dalworthington Gardens	0.5 pCi/L	0.1× under
130	Wylie	0.5 pCi/L	0.1× under
131	Aldine	0.5 pCi/L	0.1× under
132	Greatwood	0.5 pCi/L	0.1× under
133	Iowa Colony	0.5 pCi/L	0.1× under
134	Kyle	0.5 pCi/L	0.1× under
135	Oak Cliff Place	0.4 pCi/L	0.1× under
136	Jonestown	0.4 pCi/L	0.1× under
137	Shenandoah	0.4 pCi/L	0.1× under
138	Bellaire	0.4 pCi/L	0.1× under
139	Fifth Street	0.4 pCi/L	0.1× under
140	League City	0.4 pCi/L	0.1× under
141	Hudson	0.4 pCi/L	0.1× under
142	Conroe	0.4 pCi/L	0.1× under
143	Castle Hills	0.4 pCi/L	0.1× under
144	Meadows Place	0.4 pCi/L	0.1× under
145	Spring	0.4 pCi/L	0.1× under
146	Hudson Bend	0.4 pCi/L	0.1× under
147	Humble	0.4 pCi/L	0.1× under
148	Southside Place	0.4 pCi/L	0.1× under
149	Spring Valley	0.4 pCi/L	0.1× under
150	College Station	0.3 pCi/L	0.1× under
151	Hedwig Village	0.3 pCi/L	0.1× under
152	Tomball	0.3 pCi/L	0.1× under
153	Cinco Ranch	0.3 pCi/L	0.1× under
154	West University Place	0.3 pCi/L	0.1× under
155	Panorama Village	0.3 pCi/L	0.1× under

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