Aurora, CO Radon Levels
Check local Aurora radon levels and find certified testing and mitigation professionals to keep your home safe
Aurora, CO Radon Facts
Aurora's Adams County neighborhoods in zip codes 80011 and 80019 show an average radon level of 7.4 pCi/L, significantly exceeding the EPA action level. This Denver Metro suburb sits in EPA Zone 1 where Colorado's Front Range geology and uranium-bearing deposits create high radon potential. Homeowners should prioritize professional radon mitigation, as the area's geological conditions and residential development patterns consistently produce elevated readings that require active reduction systems.
Based on 5 user-submitted radon tests for homes in Aurora, CO. The EPA recommends taking action at or above 4.0 pCi/L.
Aurora, CO Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Aurora?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Arapahoe County Pros
Aurora, CO Radon Levels
User-submitted radon test readings from homes in the Aurora area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 11 pCi/L | Aurora, CO | 0-20 Years | Full Basement |
| 6 pCi/L | Aurora, CO | 21-50 Years | No Basement/All Slab |
| 5 pCi/L | Aurora, CO | 21-50 Years | No Basement/All Crawl Space |
| 11 pCi/L | Aurora, CO | 21-50 Years | Full Basement |
| 4 pCi/L | Aurora, CO | 21-50 Years | Partial Basement |
Have a radon test result for Aurora? Submit your reading to help other homeowners.
Radon Readings Near Aurora, CO
Compare radon levels in Aurora with the closest nearby cities that have user-submitted test data.
Arapahoe County Radon Profile
The bedrock and soils beneath Arapahoe County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Arapahoe County average 8.40 pCi/L across 10 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Arapahoe County.