Mars, PA Radon Levels
Check local Mars radon levels and find certified testing and mitigation professionals to keep your home safe
Mars, PA Radon Facts
Located in Butler County north of Pittsburgh, Mars shows an average radon level of 6.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. The area's sedimentary bedrock and glacial till deposits create favorable conditions for radon gas accumulation in homes with basements. Residents should prioritize radon testing and consider mitigation systems given the elevated readings common throughout western Pennsylvania.
Based on 1 user-submitted radon test for homes in Mars, PA. The EPA recommends taking action at or above 4.0 pCi/L.
Mars, PA Radon Mitigation
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Mars, PA Radon Levels
User-submitted radon test readings from homes in the Mars area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 6 pCi/L | Mars, PA | 0-20 Years | Full Basement |
Have a radon test result for Mars? Submit your reading to help other homeowners.
Radon Readings Near Mars, PA
Compare radon levels in Mars with the closest nearby cities that have user-submitted test data.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Cranberry Twp | 3.9 mi | 6.00 pCi/L | 1 |
| Zelienople | 5.7 mi | 5.00 pCi/L | 2 |
| Evans City | 5.7 mi | 5.00 pCi/L | 1 |
| Gibsonia | 7.1 mi | 4.00 pCi/L | 1 |
| Allison Park | 9.7 mi | 8.00 pCi/L | 1 |
| Ambridge | 11.5 mi | 20.00 pCi/L | 1 |
| Sewickley | 11.8 mi | 15.00 pCi/L | 2 |
| Butler | 13.4 mi | 12.40 pCi/L | 5 |
Butler County Radon Profile
Because of its underlying geology, Butler County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 6 cities in Butler County average 9.91 pCi/L across 11 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Butler County home regardless of zone or a neighbor's results.