Population and Lung Cancer Total Population: 4,181,886

Lung Cancer Deaths:
1,810

Age-Adjusted Lung Cancer Incidence Rate
(per 100,000) 47

Lung Cancer Cases

2,632

Radon-Induced Lung Cancer Cases

282

* Medical Costs (hospital, medicine, doctors)

$57,000,000

* Economic Costs (lost wages / productivity)

$59,000,000

Buildings and Exposure Potential

Pre-Mitigation Radon Tests: 63,056

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	1,465,788	297,853	1,763,641
New	12,322	9,715	22,037

Public Schools: 1,263

EPA and ANSI-AARST Radon Measurement Standards recommend fixing a building with a radon level ≥ (above or equal to) 4 pCi/L and consider fixing it if any radon level is ≥ 2 and < (below) 4 pCi/L.

Statewide Radon Policies
Credential Required		None
Radon Standards in Effect		None

Homebuyer Protection Required		Disclosure Only
Radon System Requirement for New Homes		Zone 1 Counties
Type of New Home Where Required		One- and Two-Family; Apartment Buildings
Standard/Code for Radon System in New Homes		IRC Appendix F modified
School Testing Required		Yes
Radon System Requirement for New Schools		Zone 1

Total Population; Lung Cancer Deaths; Age-Adjusted Lung Cancer Rate (per 100,000); Lung Cancer Deaths: CDC US Cancer Statistics (2018). Estimated Radon-Induced Lung Cancer Cases: Lung Cancer Cases weighted by scaled mean radon levels, CDC Environmental Public Health Tracking Network (1999-2020). National Cancer Institute, Cancer Trends Progress Report (2022) and Productivity Costs of Cancer Mortality in the US (2008). Statewide Radon Policies: IEA staff compilation, 2024. Pre-Mitigation Radon Tests from State: CDC Environmental Public Health Tracking Network (1999-2020). Existing Housing Units and New Housing Units: US Census (2019). Public Schools: National Center for Educational Statistics (2020-2021).