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RADON411

Radon testing in Westchester, Illinois

Radon testers with an address in Westchester, with the licenses on file for each.

Westchester, IL at a glance

  • Businesses listed

    2

    Westchester
    2
    Chicago
    19

    By each business's listed address

  • Listed for testing

    2

    100% of listings

    Testing
    2
    Mitigation
    0

    A business can be listed for both

  • State license on file

    2

    100% of listings

    State license
    2
    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 Westchester is

Professionals in Westchester

Illinois licensing and every city

2 professionals in Westchester, Illinois.

Radon levels in Westchester

Read a result for Westchester

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.

Interpret this reading

Westchester lies 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 county Westchester lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Cook County26,93719.4%1.9 pCi/L33.7%67 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, where Westchester lies, 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, DuPage County, is 14 miles away at 33.7%.

The nearest Illinois counties to Cook County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
DuPage County14 mi19,40133.7%2.7 pCi/L
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

Cities near Westchester

Every city in Illinois with listed radon professionals

Listings come from state licensing registries.

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