EMF Exposure in Boulder, CO

253

Towers Total

5G Active

9.1/mi²

per sq mi

Moderate

Boulder ranks #1 of 2 Colorado cities for EMF exposure. Lower score = less exposure.

With 253 cell towers spread across the city at a density of 9.1 per square mile, Boulder demonstrates a moderate electromagnetic field environment, earning an EMF score of 34 out of 100. This places Boulder as the top-ranked city among the 2 Colorado cities analyzed in this report. The city's EMF levels vary significantly across different neighborhoods, with scores ranging from 0 to 100 depending on proximity to the 44 5G towers and other telecommunications infrastructure.

Check Your Address

Tower Map

Showing 253 towers within 5 miles of Boulder city center.

Other Cities in Colorado

Lowest EMF exposure cities in Colorado. Lower score = less exposure.

Denver

952 towers

Very High

View all Colorado cities

Cities with Similar Scores

Other US cities with EMF scores within 10 points of Boulder.

Asheville, NC

98 towers

Low

Boulder has relatively low EMF exposure compared to both Colorado and national standards, scoring 34 versus the state average of 62 and national median of 45. While Boulder ranks as Colorado's lowest-EMF city among those measured, it's worth noting that Denver's significantly higher score of 90 suggests a stark urban-rural divide in the state's electromagnetic environment. For those prioritizing minimal EMF exposure, Boulder appears to offer a favorable balance of city amenities with lower electromagnetic pollution levels.

EMF Exposure & Health

EMF exposure remains an active area of scientific research. While regulatory bodies maintain that current exposure limits are safe, independent research has raised questions that lead many to take precautionary steps.

What research shows

Sleep Quality: Multiple studies have found measurable effects on sleep quality and brain activity during sleep from RF-EMF exposure, though effect sizes vary across studies.

Children: Some researchers recommend lower exposure limits for children, citing developing nervous systems and longer lifetime exposure as factors warranting extra caution.

Precautionary Principle: Many health-conscious individuals choose to minimize EMF exposure based on the precautionary principle: when science is uncertain but potential consequences are significant, reducing exposure is a reasonable choice.

We provide data, not medical advice. Consult healthcare professionals for personal health decisions.

What You Can Do

Check Your Specific Address

City averages only tell part of the story. Your building's exposure depends on exact tower proximity, building materials, and which direction you face.

Enter Your Address

If You're House Hunting

Before buying or renting in Boulder, check the EMF score of specific addresses you're considering. Compare neighborhoods to find lower-exposure areas.

Search each property address on our map
Note which direction bedrooms face relative to towers
Consider upper vs lower floors (height affects exposure)

Quick Wins (Free)

Simple changes you can make today to reduce your daily EMF exposure without spending money.

Move WiFi router out of bedrooms and living areas
Use airplane mode on phone while sleeping
Use speakerphone or wired earbuds for calls
Turn off WiFi at night (use a timer outlet)
Keep phone out of pockets when possible

For Boulder specifically:

• Choose residential areas in Boulder's foothills or western neighborhoods where the lower tower density of 9.1 per square mile is further reduced by natural terrain barriers. • Consider EMF exposure levels when selecting between Boulder's downtown core versus outlying areas, as the high variation in exposure across the city means your specific location choice can significantly impact your daily EMF exposure.

Bigger Investments

For those wanting more comprehensive protection, especially in high-exposure areas.

EMF shielding film for windows facing towers
Shielding paint for walls on tower-facing sides
Shielded bed canopy for sleeping area
Professional EMF assessment of your home
Wired ethernet instead of WiFi

EMF scores across Boulder range from 0 to 100. The city score of 34 represents the average across sampled locations.