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Arizona Radon Information

Arizona Radon Program:

Radon Website: Website
Radon Contact: Rich Baker
Active Radon Program: Yes
Require License for Radon Professionals: No

Arizona is the sixth largest state in the US, and the 15th most populous. From the years 1987-89 statewide surveys were conducted by the Arizona Radiation Regulatory Agency, and they found that nearly 1 out of every 15 Arizona homes contained elevated radon levels above the recommended action level. When compared to the US national average those numbers are pretty close.

The state has a well maintained Radon program, with a wide variety of resources and information available on the official site.

The radon levels in the state of Arizona are average. That being said, radon can seep into any home old or new. We recommend testing your home at least twice a year.

Thanks to Arizona's warm and temperate climate theres is a lower thermal suction on the soil beneath homes than is typically found beneath those in the northern part of the country. This means that even though radon is present, less may enter a home in Arizona than in a home from other states. It should be noted that it is still possible for any home in the state to see elevated radon levels.

Arizona Radon Mitigation and Testing

Need your home tested for radon? Already know you have high levels and need a radon reduction system installed? Finding qualified Radon professionals can be difficult, but we've put together a list of Arizona contractors to help you save time.

Arizona Radon Mitigation

We have compiled a list of qualified radon mitigation contractors.
Find Radon Mitigation Contractors here

Arizona Radon Testing

Need your home or office tested for Radon? We have compiled a list of qualified radon testing contractors.
Find Radon Testing Contractors here

Arizona Radon Levels

Map of Arizona Radon Levels

Zone 1 (1): Potential for radon levels above 4 pCi/L according to EPA
Zone 2 (2): Potential for radon levels between 2 pCi/L and 4 pCi/L according to the EPA
Zone 3 (3): Lowest EPA level with expected radon levels at or below 2 pCi/L
Disclaimer: It is strongly recommended that all households, schools and office spaces test radon levels individually. The EPA Radon Zone data is not an indicator of individual test results, but a guideline for strategic planning. Toxic radon levels can be found in all counties, regardless of their zone rating. While we make efforts to keep this information up to date, it is derived from third­party sources which may not be accurate or reflect the most current statistics.

Arizona Radon Statistics

Arizona has 15 counties and 0 (0%) have been assigned Zone 1 counties by the EPA. Zone 1 counties have the highest potential to have homes test higher than 4 pCi/L. Arizona's state radon zone average is 2, which is the average of all county zone ratings the EPA has assigned the state, ranking it 32 among all states.

Arizona Radon Contractor License Information

Does Arizona require contractors to be licensed? No.

What are the licensing requirements? There are no state mandated requirements to become a licensed radon contractor in Arizona. Those looking for a radon certification can take qualified third party courses that are offered through the NRPP or AARST.

Arizona Radon Real Estate Requirements

Does the state of Arizona require radon testing for all real estate transactions? No

However both the state of Arizona and the EPA recommend that a home or residence should be tested before a real estate transaction is carried out. Even though Arizona does not require radon testing, we certainly recommend you have a test performed before you purchase a home. If you decide to perform a test after and find elevated levels, there is no reason to panic. Arizona radon mitigation is not expensive compared to the dangers and a system can be implemented in a relatively short period of time.

Browse The National Radon Directory by City

Ajo
Alpine
Amado
Apache Junction
Arizona City
Arlington
Avondale
Bagdad
Bapchule
Benson
Bisbee
Black Canyon City
Blue
Buckeye
Bullhead City
Camp Verde
Casa Grande
Cave Creek
Chandler
Chandler Heights
Chinle
Chino Valley
Cibola
Clarkdale
Clifton
Cochise
Concho
Coolidge
Cornville
Cottonwood
Dateland
Dewey
Dolan Springs
Douglas
Duncan
Eagar
Eden
El Mirage
Elfrida
Elgin
Eloy
Flagstaff
Florence
Fort Huachuca
Fort Mcdowell
Fort Mohave
Fountain Hills
Fredonia
Ganado
Gila Bend
Gilbert
Glendale
Glendale Luke Afb
Globe
Gold Canyon
Golden Valley
Goodyear
Green Valley
Greer
Happy Jack
Hayden
Heber
Hereford
Higley
Holbrook
Huachuca City
Kearny
Kingman
Kirkland
Lake Havasu City
Lakeside
Laveen
Litchfield Park
Mammoth
Marana
Marble Canyon
Maricopa
Mayer
Mc Neal
Meadview
Mesa
Miami
Mohave Valley
Morenci
Mormon Lake
Morristown
New River
Nogales
Oracle
Palo Verde
Paradise Valley
Parker
Patagonia
Paulden
Payson
Peach Springs
Pearce
Peoria
Peridot
Phoenix
Picacho
Pima
Pine
Pinetop
Prescott
Prescott Valley
Queen Creek
Red Rock
Rimrock
Rio Rico
Rio Verde
Roll
Roosevelt
Sacaton
Safford
Sahuarita
Saint David
Saint Johns
Salome
San Manuel
San Simon
San Tan Valley
Scottsdale
Sedona
Sells
Show Low
Sierra Vista
Snowflake
Somerton
Sonoita
Springerville
Stanfield
Sun City
Sun City West
Superior
Surprise
Teec Nos Pos
Tempe
Temple Bar Marina
Thatcher
Tolleson
Tombstone
Tonalea
Tonopah
Topock
Tortilla Flat
Tucson
Tumacacori
Vail
Valentine
Valley Farms
Waddell
Wellton
Wickenburg
Willcox
Williams
Willow Beach
Winkelman
Winslow
Wittmann
Youngtown
Yuma