ILLINOIS
The AARST Radon Report Card: Risk and Response
Population and Lung Cancer      Total Population: 12,723,071
Lung Cancer Deaths:
5,735
Age-Adjusted Lung Cancer Incidence Rate
(per 100,000) 59

Lung Cancer Cases
9,356
Estimated Radon-Induced Lung Cancer Cases
  1,476

Buildings and Exposure Potential
Pre-Mitigation Radon Tests: 108,909
Percent by Radon Level  
 
  < 2 pCi/L

 
  ≥ 2 to < 4 pCi/L

 
  ≥ 4 pCi/L

Housing Units by Structure Type
1 to 4 Units 5 or More Units Total
Existing 4,237,533 1,121,167 5,358,700
New 10,070 10,454 20,524
Public Schools: 4,350
Statewide Radon Policies
Credential Required State License
Radon Standards in Effect IL Regulations
Homebuyer Protection Required Notification & Disclosure
Radon System Requirement for New Homes All Counties
    Type of New Home Where Required All Residential Buildings
    Standard/Code for Radon System in New Homes IRC Appendix F modified
School Testing Required Recommended
Radon System Requirement for New Schools Recommended