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Arlington Heights, IL Radon Mitigation and Testing

Avg: 6.20 pCi/L
Cook County
EPA Zone 2
6 user tests

Arlington Heights is located in Cook County, Illinois. With 6 user-submitted readings averaging 6.20 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 60004 zip code.

6.20
pCi/L average
Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Arlington Heights, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Arlington Heights, IL Radon Mitigation

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

Arlington Heights, IL Radon Testing

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Arlington Heights, Illinois Radon Levels

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

Radon LevelCityHome AgeFoundationSubmitted
9 pCi/L Arlington Heights, IL 100+ Years Full Basement Feb 2026
7 pCi/L Arlington Heights, IL 51-99 Years Partial Basement Jan 2024
3 pCi/L Arlington Heights, IL Partial Basement Nov 2023
5 pCi/L Arlington Heights, IL 51-99 Years Full Basement Dec 2020
8 pCi/L Arlington Heights, IL Full Basement Jul 2020

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

Arlington Heights Radon Facts

Key details about the radon risk profile for Arlington Heights and the 60004 zip code area.

EPA Radon Zone
Zone 2 — Moderate Risk
County
Cook County, IL
Zip Code
60004
Predicted Screening Level
2–4 pCi/L (Zone 2)
Avg. User Submitted Level
6.20 pCi/L
User Tests Submitted
6

Arlington Heights and the 60004 zip code are located in Cook County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Arlington Heights, IL

What is the average radon level in Arlington Heights, IL?
Based on 6 user-submitted tests, the average radon level in Arlington Heights is 6.20 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 Arlington Heights in?
Arlington Heights and the 60004 zip code are in Cook 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.
How much does radon mitigation cost in Arlington Heights?
Radon mitigation in Arlington Heights 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 Arlington Heights?
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.

Most Active Radon Markets in Illinois

Cities with the most user-submitted radon test data in the state.

CityAvg User Radon LevelSubmissions
Buffalo Grove 6.10 pCi/L 10
Crystal Lake 7.25 pCi/L 8
Lake Zurich 6.00 pCi/L 7
Grayslake 5.00 pCi/L 7
New Lenox 10.17 pCi/L 6
Park Ridge 7.00 pCi/L 6
Arlington Heights 6.17 pCi/L 6
Waterloo 9.20 pCi/L 5
Palatine 7.80 pCi/L 5
Round Lake 7.80 pCi/L 5
Northbrook 6.20 pCi/L 5
Mchenry 11.00 pCi/L 4
Dekalb 8.75 pCi/L 4
Columbia 8.00 pCi/L 4
Lisle 7.25 pCi/L 4
Normal 7.25 pCi/L 4
Antioch 7.00 pCi/L 4
Elk Grove Village 7.00 pCi/L 4
Aurora 6.75 pCi/L 4
Hoffman Estates 6.75 pCi/L 4