Cairo, IL Radon Levels

Q: What EPA Radon Zone is Cairo in?

Cairo is in Alexander County, EPA Zone 3.

Q: What EPA radon zones surround Cairo, IL?

Cairo sits in Alexander County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 1 in Zone 2 (moderate risk, 2-4 pCi/L), 7 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

Q: How much does radon mitigation cost in Cairo?

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

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

Cairo, IL Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Alexander County, IL

Zip Code 62914

Situated at Illinois's southern tip in Alexander County, Cairo (62914) sits at the confluence of the Mississippi and Ohio Rivers where radon testing data is sparse. The area's alluvial deposits and underlying sedimentary formations can create variable radon conditions despite the generally flat terrain. Residents should test their homes to establish accurate radon exposure measurements for their specific properties.

Cairo, IL Radon Mitigation

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

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EPA Radon Zones Near Cairo, IL

No user-submitted radon readings are available for Cairo or its immediate area yet. The table below shows the EPA radon zone — a county-level prediction of radon risk — for nearby communities. Radon still varies from home to home, so testing is the only way to confirm your level.

City	Distance	County	EPA Radon Zone
Villa Ridge	10.1 mi	Pulaski County	Zone 3
Olmsted	13.4 mi	Pulaski County	Zone 3
Pulaski	14.0 mi	Pulaski County	Zone 3
Ullin	18.3 mi	Pulaski County	Zone 3
Grand Chain	19.0 mi	Pulaski County	Zone 3
Karnak	22.4 mi	Pulaski County	Zone 3
Dongola	24.9 mi	Union County	Zone 2
Belknap	25.1 mi	Massac County	Zone 3

Alexander County Radon Profile

The EPA maps Alexander County as Radon Zone 3, the lowest predicted classification, with modeled indoor screening levels under 2 pCi/L. Direct test data for Alexander 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 Alexander County home regardless of zone or a neighbor's results.

Radon FAQ for Cairo, IL

What EPA Radon Zone is Cairo in?

Cairo and the 62914 zip code are in Alexander County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

What EPA radon zones surround Cairo, IL?

Cairo sits in Alexander County, which the EPA classifies as Radon Zone 3. Among the nearby communities listed above, 1 in Zone 2 (moderate risk, 2-4 pCi/L), 7 in Zone 3 (low risk, under 2 pCi/L). EPA radon zones are county-level predictions of radon potential, so the EPA recommends testing every individual home regardless of its zone, since levels vary from house to house.

How much does radon mitigation cost in Cairo?

Radon mitigation in Cairo 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 Cairo?

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.