Clarion, PA Radon Levels

Q: What EPA Radon Zone is Clarion in?

Clarion is in Clarion County, EPA Zone 1.

Q: How much does radon mitigation cost in Clarion?

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

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

Clarion, PA Radon Facts

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

County Clarion County, PA

Zip Code 16214

Northwestern Pennsylvania's Clarion County seat sits on Allegheny Plateau geology that contributes to the area's EPA Zone 1 radon classification. Testing data for the 16214 zip code area remains limited, though Pennsylvania's statewide geology suggests elevated radon potential from underlying sedimentary rocks. Home testing becomes particularly important given the region's mix of historic and modern residential construction, each presenting different radon entry pathways.

12.00

pCi/L area average

Above EPA Action Level

Clarion County average: 12.00 pCi/L, based on 2 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Clarion 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+

Clarion, 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 Clarion, PA

No homeowner tests have been submitted for Clarion yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.

Radon Level	City	Distance	Home Age	Foundation	Submitted
4 pCi/L	Fryburg, PA	11.2 mi	—	Full Basement	Mar 2020
1 pCi/L	Cranberry, PA	15.2 mi	21-50 Years	Full Basement	May 2024
12 pCi/L	Brookville, PA	15.8 mi	51-99 Years	Full Basement	Jul 2024
4 pCi/L	Brookville, PA	15.8 mi	51-99 Years	Full Basement	Apr 2020
8 pCi/L	Brookville, PA	15.8 mi	21-50 Years	Full Basement	Mar 2016
20 pCi/L	Parker, PA	17.9 mi	51-99 Years	Full Basement	Sep 2022
20 pCi/L	Karns City, PA	22.8 mi	0-20 Years	Full Basement	Nov 2017
6 pCi/L	Reynoldsville, PA	26.6 mi	—	Full Basement	Oct 2021

Readings are drawn from the nearest cities with submitted data. Have a result for Clarion? Submit your reading to help your neighbors.

Clarion County Radon Profile

Clarion 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 2 cities in Clarion County average 12.00 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 Clarion County to test, as levels can differ between neighboring homes.

Radon FAQ for Clarion, PA

What EPA Radon Zone is Clarion in?

Clarion and the 16214 zip code are in Clarion 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 Clarion?

No homeowner radon tests have been submitted for Clarion yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Clarion County average—are the best available indicator of local conditions until Clarion 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 Clarion?

Radon mitigation in Clarion 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 Clarion?

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.

Radon Levels Near Clarion, PA

User-submitted radon levels from the cities closest to Clarion with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Fryburg	11.2 mi	4.00 pCi/L	1
Cranberry	15.2 mi	1.00 pCi/L	1
Brookville	15.8 mi	8.00 pCi/L	3
Parker	17.9 mi	20.00 pCi/L	1
Karns City	22.8 mi	20.00 pCi/L	1