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Urbana, IL Radon Levels

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


Urbana, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Champaign County, IL
Zip Code 61801
Avg. User Level 15.00 pCi/L
User Tests 1

Home to the University of Illinois, Urbana sits in Champaign County where deep glacial moraine deposits over limestone bedrock contribute to elevated radon potential. Testing across zip codes 61801 and 61802 shows an average level of 15.0 pCi/L, significantly exceeding EPA action thresholds. Both students and permanent residents should prioritize professional radon testing and mitigation.

15.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Urbana, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Urbana, IL Radon Mitigation

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

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Urbana, IL Radon Levels

User-submitted radon test readings from homes in the Urbana area.

Radon LevelCityHome AgeFoundation
15 pCi/L Urbana, IL 51-99 Years No Basement/All Slab

Have a radon test result for Urbana? Submit your reading to help other homeowners.

Radon Readings Near Urbana, IL

Compare radon levels in Urbana with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Champaign 4.7 mi 6.67 pCi/L 3
Homer 12.5 mi 20.00 pCi/L 1
Mahomet 13.1 mi 5.00 pCi/L 1
Gifford 16.7 mi 10.00 pCi/L 1
Monticello 20.7 mi 4.50 pCi/L 2
Tuscola 20.8 mi 17.00 pCi/L 1
Paxton 25.6 mi 4.00 pCi/L 1
Danville 28.7 mi 5.33 pCi/L 3

Champaign County Radon Profile

Because of its underlying geology, Champaign County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 5 cities in Champaign County average 10.00 pCi/L across 7 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Champaign County home regardless of zone or a neighbor's results.

Radon FAQ for Urbana, IL

What is the average radon level in Urbana, IL?
Based on 1 user-submitted test, the average radon level in Urbana is 15.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Urbana in?
Urbana and the 61801 zip code are in Champaign 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.
How much does radon mitigation cost in Urbana?
Radon mitigation in Urbana 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 Urbana?
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.