Cities with the Cleanest Air in North Carolina.

Cities in North Carolina with the most good AQI days per year.

43 cities ranked · See the national list

#	City	Population	Good AQI Days	Median AQI	Unhealthy Days
1	Greenville	92,857	321 days/yr	37	0 days/yr
2	Winterville	10,725	321 days/yr	37	0 days/yr
3	Tarboro	10,770	308 days/yr	38	0 days/yr
4	Clayton	29,320	283 days/yr	41	0 days/yr
5	Smithfield	12,116	283 days/yr	41	0 days/yr
6	Wilmington	120,805	281 days/yr	41	0 days/yr
7	Murraysville	16,339	281 days/yr	41	0 days/yr
8	Myrtle Grove	12,637	281 days/yr	41	0 days/yr
9	Greensboro	301,198	274 days/yr	41	0 days/yr
10	High Point	116,245	274 days/yr	41	0 days/yr
11	Summerfield	11,116	274 days/yr	41	0 days/yr
12	Salisbury	35,825	269 days/yr	43	0 days/yr
13	Asheville	94,535	268 days/yr	40	0 days/yr
14	Durham	291,467	262 days/yr	42	0 days/yr
15	Fayetteville	210,815	251 days/yr	44	0 days/yr
16	Hope Mills	17,939	251 days/yr	44	0 days/yr
17	Spring Lake	11,573	251 days/yr	44	0 days/yr
18	Raleigh	481,031	250 days/yr	43	0 days/yr
19	Cary	179,306	250 days/yr	43	0 days/yr
20	Apex	70,630	250 days/yr	43	0 days/yr
21	Wake Forest	52,844	250 days/yr	43	0 days/yr
22	Holly Springs	45,248	250 days/yr	43	0 days/yr
23	Fuquay-Varina	40,485	250 days/yr	43	0 days/yr
24	Garner	34,473	250 days/yr	43	0 days/yr
25	Morrisville	31,422	250 days/yr	43	0 days/yr
26	Knightdale	20,214	250 days/yr	43	0 days/yr
27	Wendell	13,064	250 days/yr	43	0 days/yr
28	Rolesville	10,766	250 days/yr	43	0 days/yr
29	Hickory	44,258	239 days/yr	42	0 days/yr
30	Newton	13,333	239 days/yr	42	0 days/yr
31	Winston-Salem	252,037	232 days/yr	45	0 days/yr
32	Kernersville	27,830	232 days/yr	45	0 days/yr
33	Clemmons	21,871	232 days/yr	45	0 days/yr
34	Lewisville	13,828	232 days/yr	45	0 days/yr
35	Charlotte	903,844	176 days/yr	51	0 days/yr
36	Huntersville	63,969	176 days/yr	51	0 days/yr
37	Cornelius	32,783	176 days/yr	51	0 days/yr
38	Matthews	30,577	176 days/yr	51	0 days/yr
39	Mint Hill	27,556	176 days/yr	51	0 days/yr
40	Davidson	15,660	176 days/yr	51	0 days/yr
41	Pineville	11,055	176 days/yr	51	0 days/yr
42	Thomasville	27,321	157 days/yr	51	0 days/yr
43	Lexington	19,690	157 days/yr	51	0 days/yr