Colorado City Rankings

How 14 cities in Colorado compare on combined EMF exposure, cell towers, 5G deployment, and power grid (ELF) exposure. Each list shows up to 10 cities with a published EMF Radar report. See the methodology for how scores are calculated.

Colorado Cities with the Highest EMF Exposure

Cities with the highest combined RF + ELF exposure scores. See the national top 50

Rank	City	EMF score
1	Colorado Springs	71
2	Denver	71
3	Centennial	68
4	Littleton	65
5	Lakewood	62
6	Westminster	57
7	Aurora	52
8	Arvada	51
9	Fort Collins	49
10	Thornton	49

Colorado Cities with the Lowest EMF Exposure

Cities with the lowest combined RF + ELF exposure scores. See the national top 50

Rank	City	EMF score
1	Greeley	40
2	Longmont	42
3	Boulder	45
4	Pueblo	47
5	Fort Collins	49
6	Thornton	49
7	Arvada	51
8	Aurora	52
9	Westminster	57
10	Lakewood	62

Colorado Cities with the Most Cell Towers

Cities ranked by the total number of cell towers mapped within city limits. See the national top 50

Rank	City	Cell towers	EMF score
1	Denver	951	71
2	Colorado Springs	761	71
3	Centennial	641	68
4	Littleton	602	65
5	Lakewood	314	62
6	Boulder	253	45
7	Westminster	237	57
8	Aurora	220	52
9	Pueblo	149	47
10	Thornton	146	49

Colorado Cities with the Most 5G Towers

Cities ranked by the number of towers broadcasting 5G NR. See the national top 50

Rank	City	5G towers	EMF score
1	Denver	49	71
2	Boulder	44	45
3	Pueblo	27	47
4	Colorado Springs	24	71
5	Longmont	10	42
6	Centennial	7	68
7	Aurora	6	52
8	Lakewood	2	62
9	Fort Collins	1	49

Colorado Cities with the Highest Share of 5G Towers

Cities where the largest percentage of cell towers broadcast 5G. See the national top 50

Rank	City	5G share	EMF score
1	Pueblo	18%	47
2	Boulder	17%	45
3	Longmont	15%	42
4	Denver	5%	71
5	Colorado Springs	3%	71
6	Aurora	3%	52
7	Centennial	1%	68
8	Fort Collins	1%	49
9	Lakewood	1%	62

Colorado Cities with the Highest Power Grid (ELF) Exposure

Cities ranked by ELF score from transmission lines and substations. See the national top 50

Rank	City	ELF score	EMF score
1	Greeley	40	40
2	Denver	33	71
3	Pueblo	32	47
4	Colorado Springs	31	71
5	Arvada	30	51
6	Lakewood	29	62
7	Fort Collins	28	49
8	Westminster	23	57
9	Boulder	22	45
10	Aurora	21	52

Back to Colorado National rankings