Astoria, IL Radon Levels

Q: What EPA Radon Zone is Astoria in?

Astoria is in Fulton County, EPA Zone 1.

Q: How much does radon mitigation cost in Astoria?

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

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

Astoria, IL Radon Facts

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

County Fulton County, IL

Zip Code 61501

Positioned in rural Fulton County along the Illinois River valley, Astoria sits where alluvial soils meet underlying limestone bedrock that can facilitate radon gas movement. Current testing data for zip code 61501 is limited, making individual home testing particularly important for residents in this agricultural community to understand their indoor air quality.

6.00

pCi/L area average

Above EPA Action Level

Fulton County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Astoria 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+

Astoria, IL 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 Astoria, IL

No homeowner tests have been submitted for Astoria 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
Cuba	20.4 mi	6.00 pCi/L	1
Lincolns New Salem	32.5 mi	8.00 pCi/L	1
Jacksonville	34.9 mi	9.00 pCi/L	2
Griggsville	41.4 mi	4.00 pCi/L	1
Mapleton	42.1 mi	8.00 pCi/L	1
Williamsville	46.2 mi	1.00 pCi/L	1
Knoxville	47.1 mi	8.00 pCi/L	1
Stronghurst	47.2 mi	13.00 pCi/L	2

Fulton County Radon Profile

Fulton 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 Fulton County average 6.00 pCi/L across 1 test — 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 Fulton County to test, as levels can differ between neighboring homes.

Radon FAQ for Astoria, IL

What EPA Radon Zone is Astoria in?

Astoria and the 61501 zip code are in Fulton 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 Astoria?

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

Radon mitigation in Astoria 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 Astoria?

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.