Radon Resource Guide for Pennsylvanians

View the Radon Resource Guide for Pennsylvanians (2022) from the Bureau of Radiation Protection, Pennsylvania Department of Environmental Protection. The guide provides fast facts about radon and contact information for the DEP Radon Division, Radon Monitoring Section, and Radon Certification Section.

Health Effects of Radon

Radon is a colorless, odorless, and tasteless radioactive gas that is present throughout soil and rocks which often migrates into homes and other buildings through basements, slabs, and foundations. Once in a building, radon can build up to high concentrations resulting in a radiation exposure to the occupants. The harmful health effects of radon arise from radioactive particles have settled in the lungs. It is these radioactive particles that can impact the lungs and cause lung cancer. 

See information from the Pennsylvania Department of Environmental Protection on Health Effects of Radon in English and Spanish.

EPA Factsheet: What is Indoor Air Quality?

This new (July 2025) Environment Protection Agency (EPA) factsheet discusses what is indoor air quality, common sources and factors that can impact indoor air quality, and best practices for improving and maintaining good indoor air quality.

English / Spanish