Skip to content

Radon mitigation and testing in Chicago, Illinois

Testers and mitigation companies with an address in Chicago, with the licenses on file for each.

Chicago, IL at a glance

  • Businesses listed

    19

    Chicago
    19
    Elgin
    8

    By each business's listed address

  • Listed for testing

    19

    100% of listings

    Testing
    19
    Mitigation
    1

    A business can be listed for both

  • State license on file

    19

    100% of listings

    State license
    19
    NRPP
    0

    As each issuer's own record shows it

  • Share at 4+ pCi/L

    19.4%

    14.3 pts below IL

    Cook
    19.4%
    Illinois
    33.7%

    Cook, 67th of 70 in IL, 2017

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    Cook County, where Chicago is

Professionals in Chicago

19 professionals in Chicago, Illinois. Showing 1 to 1219.

On this page: 1 testing and mitigation, 1118 testing

Testing and mitigation 1

Testing 1118

Show 7 more on this page

Radon levels in Chicago

Read a result for Chicago

Starts at Cook County's median, 1.9 pCi/L

1.9pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 1.9 pCi/L

Below 2 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is below 2 pCi/L, the level at which EPA says a fix should be considered. Cook County's median reported result, 2017.

Chicago lies mostly in Cook County, where 19.4% of 26,937 radon tests reported to CDC (2017) were at or above 4 pCi/L, 14.3 points below Illinois pooled (33.7%), 67th of 70 Illinois counties with 30 or more tests.

Radon test figures for the counties Chicago lies in
CountyShare of ChicagoTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Cook County98.9%26,93719.4%1.9 pCi/L33.7%67 of 70Zone 2
DuPage County1.1%19,40133.7%2.7 pCi/L33.7%53 of 70Zone 2

Shares of tests people chose to run and report, by county (2017); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

Around Cook County, one of the counties Chicago lies in, the nearest Illinois counties with a CDC figure for 2017 run from 27.4% to 40.0% of tests at or above 4 pCi/L; the closest, Will County, is 29 miles away at 40.0%.

The nearest Illinois counties to Cook County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Will County29 mi10,77640.0%3.1 pCi/L
Kane County32 mi8,68236.6%2.8 pCi/L
Lake County35 mi13,05027.4%2.4 pCi/L
Kendall County36 mi3,04535.0%2.8 pCi/L
McHenry County47 mi6,47435.1%2.9 pCi/L
Kankakee County49 mi52231.6%2.7 pCi/L

Listings come from state licensing registries.

Run a radon business?Get Featured