Flora, IL Radon Levels

Q: What EPA Radon Zone is Flora in?

Flora is in Clay County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Flora yet, so readings from the closest cities and the Clay 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 Flora?

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

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

Flora, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Clay County, IL

Zip Code 62839

Situated in Clay County in southeastern Illinois, this community currently has no available radon testing data. The area's Pennsylvanian-era geology of coal measures and sedimentary deposits in zip code 62839 can create moderate radon potential, making individual home testing important for residents to understand their specific risk levels.

5.55

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.55 pCi/L, based on 9 tests from 6 nearby cities. No readings have been submitted for Flora yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Flora, 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 Flora, IL

No homeowner tests have been submitted for Flora 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
Kell	25.1 mi	5.00 pCi/L	1
Effingham	31.4 mi	4.33 pCi/L	3
Mount Vernon	33.3 mi	4.00 pCi/L	1
Bridgeport	39.2 mi	5.00 pCi/L	1
Mount Carmel	41.8 mi	5.00 pCi/L	2
Carlyle	48.2 mi	13.00 pCi/L	1

Clay County Radon Profile

EPA mapping assigns Clay County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Clay County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Clay County home regardless of zone or a neighbor's results.

Radon FAQ for Flora, IL

What EPA Radon Zone is Flora in?

Flora and the 62839 zip code are in Clay County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Flora?

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

Radon mitigation in Flora 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 Flora?

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.