Radon Data

The Department of Health is currently sponsoring a Radon Poster Contest for students ages 9 - 14! Raise awareness and win prizes! Contest ends February 28 at 11:59 p.m. Check out the rules on the Northwest Radon Poster Contest website.

Why is radon data important?

Radon is a naturally occurring radioactive gas that is invisible, odorless, and tasteless. It comes from the radioactive decay of radium, an element found in most rocks and soils. Radon can enter a building from the ground underneath it, and concentrate to tens or even hundreds of times the level in outdoor air.

Radon is the leading cause of lung cancer in non-smokers. That is about 20,000 deaths per year nationwide.

View the Data

Radon Data

Radon - Mobile Map

Reduce Exposure

To learn more about radon, your health, and reducing exposure, visit our Radon webpage.

Radon Awareness: Pacific Northwest and Alaska - YouTube video by the U.S. Environmental Protection Agency

Additional Resources

Contact Us

For information or questions related to the Washington Tracking Network, email DOH.WTN@doh.wa.gov.

Let Us Know How You Used the Data

We love hearing about how our data is being used to make an impact on the health of Washingtonians. It also helps us to know what is meeting our users’ needs and how we can improve the information we provide. If you used our data, please tell us about it by sending an email to DOH.WTN@doh.wa.gov.

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