The Indoor Radon Program, within the Environmental Management Branch, seeks to
reduce the health risk from radon exposure by increasing awareness, identifying
areas of high radon potential, and encouraging all Californians to test their
homes for radon, fix their homes if they have a radon problem, and build new
homes radon-resistant. Test. Fix. Save a
Life.
Radon News
COVID-19 and delays in radon test results
If you have received or used a test kit provided to you through CDPH, then please read this notice from our partner laboratory, Alpha Energy, regarding radon test kit analysis during this time of responsible social distancing and self-isolation:
Alpha Energy Laboratory Temporarily Suspends Non-Essential Operations
Alameda County Winter Radon Screening Survey - CLOSED
Our annual Winter Radon Screening Survey has ended. Thank you to the many participants we had this year! Our next screening survey launch is tentativley scheduled for Winter 2020-2021.
Interactive California
Radon Potential Map
The California Geological Survey has released an interactive web
map providing radon potential information for areas of California with
completed radon potential maps. Downloadable GIS
data for each study area can now be downloaded through the interactive
map.
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Contact the radon program at
radonprogram@cdph.ca.gov (email) or 1-800-745-7236 (telephone).