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Illinois Radon Information

Illinois Radon Program:

Radon Website: Website
Radon Contact: Patrick Daniels
Active Radon Program: Yes
Require License for Radon Professionals: Yes

Considered by many to be a microcosm of the entire country, Illinois is the 25th most expansive state and the fifth most populous. The state also has a very commendable Radon program, dedicated to educating citizens about the risks associated with the deadly gas. According to the Illinois Radon program, 118,447 homes across the state were tested and more than 41 percent were found to have elevated levels above the recommended action point. Furthermore, the U.S. IEMA estimates nearly 1,200 Illinois citizens die from radon-related lung cancer each year. Long story short, it’s a pretty serious problem throughout the entire country – let alone just one state. You can find more information on Radon, testing and mitigation at the official Illinois government page.

As you can see by the information listed above, the radon levels in the state of Illinois are above average. That means there’s an increased risk for all homeowners, which is why we recommend testing exposure levels at least twice a year.

Illinois Radon Mitigation and Testing

Need your home tested for radon? Already know you have high levels and need a radon reduction system installed? Finding qualified Radon professionals can be difficult, but we've put together a list of Illinois contractors to help you save time.

Illinois Radon Mitigation

We have compiled a list of qualified radon mitigation contractors.
Find Radon Mitigation Contractors here

Illinois Radon Testing

Need your home or office tested for Radon? We have compiled a list of qualified radon testing contractors.
Find Radon Testing Contractors here

Illinois Radon Levels

Map of Illinois Radon Levels

Zone 1 (1): Potential for radon levels above 4 pCi/L according to EPA
Zone 2 (2): Potential for radon levels between 2 pCi/L and 4 pCi/L according to the EPA
Zone 3 (3): Lowest EPA level with expected radon levels at or below 2 pCi/L
Disclaimer: It is strongly recommended that all households, schools and office spaces test radon levels individually. The EPA Radon Zone data is not an indicator of individual test results, but a guideline for strategic planning. Toxic radon levels can be found in all counties, regardless of their zone rating. While we make efforts to keep this information up to date, it is derived from third­party sources which may not be accurate or reflect the most current statistics.

Illinois Radon Statistics

Illinois has 102 counties and 56 (55%) have been assigned Zone 1 counties by the EPA. Zone 1 counties have the highest potential to have homes test higher than 4 pCi/L. Illinois's state radon zone average is 1.48, which is the average of all county zone ratings the EPA has assigned the state, ranking it 16 among all states.

Illinois Radon Contractor License Information

Does Illinois require contractors to be licensed? Yes.

What are the licensing requirements?

  1. Interested parties must first complete an IEMA approved qualification course.
  2. After passing the course, said party must then take and pass the state of Illinois licensing examination.
  3. Finally, the interested parties must then file an application, pay necessary fees and provide personal items as per Section 422.60 of 32 Illinois Administrative Code 422.

Illinois Radon Real Estate Requirements

Does the state of Illinois require radon testing for all real estate transactions? No

However both the state of Illinois and the EPA recommend that a home or residence should be tested before a real estate transaction is carried out. Even though Illinois does not require radon testing, we certainly recommend you have a test performed before you purchase a home. If you decide to perform a test after and find elevated levels, there is no reason to panic. Illinois radon mitigation is not expensive compared to the dangers and a system can be implemented in a relatively short period of time.

Browse The National Radon Directory by City

Abingdon
Adair
Addieville
Addison
Albany
Albers
Albion
Aledo
Alexander
Alexis
Algonquin
Alhambra
Allendale
Allerton
Alma
Alpha
Alsip
Altamont
Alto Pass
Alton
Altona
Alvin
Amboy
Anchor
Ancona
Andalusia
Anna
Annapolis
Annawan
Antioch
Apple River
Arcola
Arenzville
Argenta
Arlington
Arlington Heights
Armington
Armstrong
Arrowsmith
Arthur
Ashkum
Ashland
Ashley
Ashmore
Ashton
Assumption
Astoria
Athens
Atkinson
Atlanta
Atwood
Auburn
Augusta
Aurora
Ava
Aviston
Avon
Baileyville
Baldwin
Barnhill
Barrington
Barry
Bartelso
Bartlett
Basco
Batavia
Batchtown
Bath
Baylis
Beardstown
Beason
Beaverville
Beecher
Beecher City
Belknap
Belle Rive
Belleville
Bellflower
Bellwood
Belvidere
Bement
Benld
Bensenville
Benson
Benton
Berkeley
Berwick
Berwyn
Bethalto
Bethany
Big Rock
Biggsville
Bingham
Bismarck
Blackstone
Blandinsville
Bloomingdale
Bloomington
Blue Island
Blue Mound
Bluffs
Bluford
Bolingbrook
Bone Gap
Bonfield
Bonnie
Bourbonnais
Bowen
Braceville
Bradford
Bradley
Braidwood
Breese
Bridgeport
Bridgeview
Brighton
Brimfield
Bristol
Broadlands
Broadview
Brocton
Brookfield
Brookport
Broughton
Browning
Browns
Brownstown
Brussels
Buckingham
Buckley
Buckner
Buda
Buffalo
Buffalo Grove
Bulpitt
Buncombe
Bunker Hill
Burbank
Burnt Prairie
Bushnell
Butler
Byron
Cabery
Cairo
Caledonia
Calhoun
Calumet City
Camargo
Cambridge
Camden
Cameron
Camp Point
Campbell Hill
Canton
Cantrall
Capron
Carbon Cliff
Carbondale
Carlinville
Carlock
Carlyle
Carman
Carmi
Carol Stream
Carpentersville
Carrier Mills
Carrollton
Carterville
Carthage
Cary
Casey
Caseyville
Catlin
Cave In Rock
Centralia
Cerro Gordo
Chadwick
Chambersburg
Champaign
Chana
Chandlerville
Channahon
Chapin
Charleston
Chatham
Chatsworth
Chebanse
Chenoa
Cherry Valley
Chester
Chesterfield
Chestnut
Chicago
Chicago Heights
Chicago Ridge
Chillicothe
Chrisman
Christopher
Cicero
Cisco
Cisne
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Clare
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Clay City
Clayton
Clifton
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Coal Valley
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