Dayton, PA Radon Levels

Q: What EPA Radon Zone is Dayton in?

Dayton is in Armstrong County, EPA Zone 1.

Q: Why are radon readings shown from areas near Dayton?

No homeowner radon tests have been submitted for Dayton yet, so readings from the closest cities and the Armstrong County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Dayton?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Dayton radon levels and find certified testing and mitigation professionals to keep your home safe

Dayton, PA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Armstrong County, PA

Zip Code 16222

Situated in Armstrong County along the Allegheny River valley, Dayton sits within Pennsylvania's high radon region where shale and limestone bedrock create significant radon potential. Testing data remains limited for this Pittsburgh Metro area community, making professional radon testing essential for homeowners. The area's mix of older homes with stone foundations and newer construction requires individual assessment for radon levels.

13.50

pCi/L area average

Above EPA Action Level

Armstrong County average: 13.50 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Dayton itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Dayton, PA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Dayton, PA

No homeowner tests have been submitted for Dayton yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Marchand	12.9 mi	14.00 pCi/L	1
Kittanning	13.3 mi	13.50 pCi/L	2
Marion Center	14.2 mi	3.00 pCi/L	1
Punxsutawney	16.5 mi	20.00 pCi/L	1
Brookville	22.2 mi	8.00 pCi/L	3
Karns City	25.0 mi	20.00 pCi/L	1
Reynoldsville	25.1 mi	6.00 pCi/L	1
Parker	26.9 mi	20.00 pCi/L	1

Armstrong County Radon Profile

Armstrong County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 1 city in Armstrong County average 13.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Armstrong County to test, as levels can differ between neighboring homes.

Radon FAQ for Dayton, PA

What EPA Radon Zone is Dayton in?

Dayton and the 16222 zip code are in Armstrong County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Dayton?

No homeowner radon tests have been submitted for Dayton yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Armstrong County average—are the best available indicator of local conditions until Dayton homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Dayton?

Radon mitigation in Dayton typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Dayton?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.