Population and Lung Cancer Total Population: 3,148,618

Lung Cancer Deaths:
1,572

Age-Adjusted Lung Cancer Incidence Rate
(per 100,000) 59

Lung Cancer Cases

2,434

Radon-Induced Lung Cancer Cases

664

* Medical Costs (hospital, medicine, doctors)

$133,000,000

* Economic Costs (lost wages / productivity)

$140,000,000

Buildings and Exposure Potential

Pre-Mitigation Radon Tests: 95,245

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	1,208,849	187,738	1,396,587
New	8,497	3,373	11,870

Public Schools: 1,309

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		State Certification
Radon Standards in Effect		ANSI-AARST Measurement; EPA and ASTM Mitigation

Homebuyer Protection Required		Notification & Disclosure
Radon System Requirement for New Homes		No
Type of New Home Where Required		N/A
Standard/Code for Radon System in New Homes		N/A
School Testing Required		Yes
Radon System Requirement for New Schools		No

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 (2008-2017). National Cancer Institute, Cancer Trends Progress Report (2022) and Productivity Costs of Cancer Mortality in the US (2008). Statewide Radon Policies: IEA staff compilation, 2025. Pre-Mitigation Radon Tests from Labs: CDC Environmental Public Health Tracking Network (2008-2017). Existing Housing Units and New Housing Units: US Census (2019). Public Schools: National Center for Educational Statistics (2020-2021).