Denver, CO Radon Mitigation and Testing
This section of Denver in Adams County shows concerning radon levels, with an average reading of 6.22 pCi/L that significantly exceeds the EPA action threshold. Located within the Denver Metro area where uranium-rich soil and high altitude combine to create elevated radon conditions, homeowners in the 80221 zip code should prioritize professional radon testing and mitigation.
Based on 9 user-submitted radon tests for homes in Denver, CO. The EPA recommends taking action at or above 4.0 pCi/L.
Denver, CO Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Denver, CO Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Denver, Colorado Radon Levels
User-submitted radon test readings from homes in the Denver area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 10 pCi/L | Denver, CO | 0-20 Years | No Basement/All Crawl Space | Oct 2024 |
| 8 pCi/L | Denver, CO | 51-99 Years | Partial Basement | Feb 2024 |
| 4 pCi/L | Denver, CO | 21-50 Years | Full Basement | Jan 2024 |
| 9 pCi/L | Denver, CO | 51-99 Years | No Basement/All Crawl Space | Dec 2021 |
| 5 pCi/L | Denver, CO | 100+ Years | Full Basement | Jan 2020 |
Have a radon test result for Denver? Submit your reading to help other homeowners.
Denver Radon Facts
Key details about the radon risk profile for Denver and the 80202 zip code area.
Denver and the 80202 zip code are located in Denver County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Denver, CO
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Most Active Radon Markets in Colorado
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Fairplay | 12.00 pCi/L | 9 |
| Crested Butte | 8.56 pCi/L | 9 |
| Denver | 6.22 pCi/L | 9 |
| Montrose | 9.25 pCi/L | 8 |
| Gunnison | 7.38 pCi/L | 8 |
| Buena Vista | 12.57 pCi/L | 7 |
| Pueblo | 10.67 pCi/L | 6 |
| Grand Junction | 8.17 pCi/L | 6 |
| Bayfield | 6.00 pCi/L | 6 |
| Canon City | 10.80 pCi/L | 5 |
| Aurora | 7.40 pCi/L | 5 |
| Windsor | 7.00 pCi/L | 5 |
| Telluride | 6.80 pCi/L | 5 |
| Parker | 5.40 pCi/L | 5 |
| Salida | 15.50 pCi/L | 4 |
| Johnstown | 9.50 pCi/L | 4 |
| Granby | 9.00 pCi/L | 4 |
| Longmont | 8.00 pCi/L | 4 |
| Edwards | 6.75 pCi/L | 4 |
| Mancos | 6.00 pCi/L | 4 |