The National Weather Service has extended an Extreme Heat Warning for 13 counties. Daytime highs are expected to reach 108°F. Coconino, La Paz, Mohave, and Yavapai counties will be affected March 18-22. Cochise, Gila, Graham, Greenlee, Maricopa, Pima, Pinal, Santa Cruz, and Yuma counties will be affected March 19-22. Drink water, limit your time in the sun, and check on neighbors and family members. Visit air-conditioned public spaces like malls, libraries, or community centers to stay cool. Stay cool, stay hydrated, and stay informed.

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The Radon Program provides ongoing assessment of potential radon hazards in Arizona, helps people understand radon problems and practical remedies, encourages residential radon testing, and measures radon levels in public schools and public-owned buildings.

LEARN ABOUT RADON

WHAT IS RADON?

What is Radon?

Radon is an invisible, radioactive gas created from natural deposits of uranium and radium in the soil. Radon gas can be drawn into a building and accumulate to concentrations that can increase the potential for contracting lung cancer.

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MITIGATION CONTRACTOR

What is a Radon Mitigation Contractor?

A radon mitigation contractor is a professional who can fix your home to reduce the radon level. Lowering high radon levels requires technical knowledge and special skills.

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HEALTH
RISKS

Health Risks

The conclusion that radon is a serious health risk is supported by the Surgeon General of the United States, the U.S. Environmental Protection Agency.

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Extreme Heat Preparedness

Radon and Your Health

Radon is an odorless and invisible radioactive gas that can build up in homes and buildings.

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Contractors are licensed and regulated in Arizona by the Arizona Registrar of Contractors (ROC). Click here to know more about Certified Radon Contractors.

RADON RESOURCES

Radon
Testing

Radon
Mitigation

Home Buyer & Seller Guide

Radon
Resources