Cities with the Cleanest Air in Utah.

Cities in Utah with the most good AQI days per year.

66 cities ranked · See the national list

#	City	Population	Good AQI Days	Median AQI	Unhealthy Days
1	St. George	101,995	274 days/yr	44	0 days/yr
2	Washington	32,348	274 days/yr	44	0 days/yr
3	Hurricane	22,771	274 days/yr	44	0 days/yr
4	Cedar City	38,524	272 days/yr	44	0 days/yr
5	Tooele	38,405	271 days/yr	44	0 days/yr
6	Grantsville	14,341	271 days/yr	44	0 days/yr
7	Stansbury Park	11,242	271 days/yr	44	0 days/yr
8	Logan	54,907	241 days/yr	44	0 days/yr
9	Smithfield	14,408	241 days/yr	44	0 days/yr
10	North Logan	11,460	241 days/yr	44	0 days/yr
11	Hyrum	10,401	241 days/yr	44	0 days/yr
12	Ogden	87,413	240 days/yr	45	0 days/yr
13	Roy	38,993	240 days/yr	45	0 days/yr
14	North Ogden	21,947	240 days/yr	45	0 days/yr
15	West Haven	21,563	240 days/yr	45	0 days/yr
16	Heber	18,015	240 days/yr	45	0 days/yr
17	South Ogden	17,650	240 days/yr	45	0 days/yr
18	Pleasant View	11,217	240 days/yr	45	0 days/yr
19	Brigham City	19,992	236 days/yr	45	0 days/yr
20	Tremonton	11,477	236 days/yr	45	0 days/yr
21	Layton	83,286	231 days/yr	46	0 days/yr
22	Bountiful	45,023	231 days/yr	46	0 days/yr
23	Syracuse	35,488	231 days/yr	46	0 days/yr
24	Clearfield	33,523	231 days/yr	46	0 days/yr
25	Kaysville	33,053	231 days/yr	46	0 days/yr
26	Farmington	25,389	231 days/yr	46	0 days/yr
27	Clinton	23,612	231 days/yr	46	0 days/yr
28	North Salt Lake	23,474	231 days/yr	46	0 days/yr
29	Centerville	16,679	231 days/yr	46	0 days/yr
30	West Point	11,929	231 days/yr	46	0 days/yr
31	Woods Cross	11,531	231 days/yr	46	0 days/yr
32	Vernal	10,392	213 days/yr	48	0 days/yr
33	Provo	114,766	206 days/yr	48	0 days/yr
34	Orem	97,182	206 days/yr	48	0 days/yr
35	Lehi	85,173	206 days/yr	48	0 days/yr
36	Eagle Mountain	53,290	206 days/yr	48	0 days/yr
37	Saratoga Springs	48,425	206 days/yr	48	0 days/yr
38	Spanish Fork	44,946	206 days/yr	48	0 days/yr
39	Pleasant Grove	37,852	206 days/yr	48	0 days/yr
40	American Fork	37,109	206 days/yr	48	0 days/yr
41	Springville	35,849	206 days/yr	48	0 days/yr
42	Payson	23,039	206 days/yr	48	0 days/yr
43	Highland	20,119	206 days/yr	48	0 days/yr
44	Santaquin	16,436	206 days/yr	48	0 days/yr
45	Vineyard	14,446	206 days/yr	48	0 days/yr
46	Mapleton	13,114	206 days/yr	48	0 days/yr
47	Lindon	11,765	206 days/yr	48	0 days/yr
48	Alpine	10,392	206 days/yr	48	0 days/yr
49	Salt Lake City	208,007	121 days/yr	57	1 days/yr
50	West Valley City	138,437	121 days/yr	57	1 days/yr
51	West Jordan	116,692	121 days/yr	57	1 days/yr
52	Sandy	94,291	121 days/yr	57	1 days/yr
53	South Jordan	82,686	121 days/yr	57	1 days/yr
54	Millcreek	63,648	121 days/yr	57	1 days/yr
55	Herriman	59,346	121 days/yr	57	1 days/yr
56	Taylorsville	58,678	121 days/yr	57	1 days/yr
57	Draper	50,278	121 days/yr	57	1 days/yr
58	Murray	50,188	121 days/yr	57	1 days/yr
59	Riverton	45,457	121 days/yr	57	1 days/yr
60	Kearns	37,696	121 days/yr	57	1 days/yr
61	Midvale	35,989	121 days/yr	57	1 days/yr
62	Cottonwood Heights	32,828	121 days/yr	57	1 days/yr
63	Holladay	31,099	121 days/yr	57	1 days/yr
64	Magna	30,031	121 days/yr	57	1 days/yr
65	South Salt Lake	26,352	121 days/yr	57	1 days/yr
66	Bluffdale	18,797	121 days/yr	57	1 days/yr