In zip codes with few radon results, there is low confidence that the reported average is representative of radon levels in that area. Clicking on a county will bring up additional options for locating measurement and mitigation professionals as well as providing access to the mmeasurement data for a specific county by zip code. This includes radon level maps and radon level graphs specific to Colorado. Fix a Radon Problem. If your radon levels are high, a contractor can fix it. During the day, the sun beats down and heats up the house from the outside in, but at night, there is a rapid cooldown. See EPA’s, California - EPA Map of Radon Zones (PDF), Connecticut - EPA Map of Radon Zones (PDF), Massachussetts - EPA Map of Radon Zones (PDF), Mississippi - EPA Map of Radon Zones (PDF), New Hampshire - EPA Map of Radon Zones (PDF), New Mexico - EPA Map of Radon Zones (PDF), North Carolina - EPA Map of Radon Zones (PDF), North Dakota - EPA Map of Radon Zones (PDF), Pennsylvania - EPA Map of Radon Zones (PDF), Rhode Island - EPA Map of Radon Zones (PDF), South Carolina - EPA Map of Radon Zones (PDF), South Dakota - EPA Map of Radon Zones (PDF), West Virginia - EPA Map of Radon Zones (PDF), Washington - EPA Map of Radon Zones (PDF), Local Radon Zones and State Contact Information. The Indoor Air Quality Program's Radon Unit works closely with the US Environmental Protection Agency (EPA). The EPA created these radon maps showing average percentage of homes with levels above 4.0 pCi/l in each zip code. State Maps of Radon Zones The purpose of these maps are to assist National, State and local organizations to target their resources and to implement radon-resistant building codes. Consider fixing if your level is between 2 and 4 pCi/L. The map below shows radon levels measured in homes by ZIP code in Maryland from 2005-2016. The measurement data includes calendar years 2003 – 2011. Please refer to the Radon Aggregate Data Field List and Descriptions document for more information about the files. Fix your home if your radon level is 4 picocuries per liter (pCi/L) or higher. The purpose of these maps are to assist National, State and local organizations to target their resources and to implement radon-resistant building codes. This map is only for informational purposes. The Illinois Emergency Management Agency has conducted a statewide screening for indoor radon. County Levels State News. The Illinois Emergency Management Agency has conducted a statewide screening for indoor radon. A measurement over 4pCi/L is considered high and warrants mitigation.. Find a test kit and test yourself, or contact a certified radon measurement professional. Contact Us to ask a question, provide feedback, or report a problem. #bevburkefire2020 :: All evacuation notices issued yesterday are reduced to Level 1 for the Beverly Burke Fire. The Radon Assessment Unit receives funding from the EPA under its State Indoor Radon Grant program to assist in these advisory and mitigation activities. Oregon Radon Awareness Program (ORAP) asks radon test kit manufactures to voluntarily submit short-term and long-term radon test that have been conducted mainly by residents of single family homes. The table and map below shows averages by zip code, based on do-it-yourself tests residents have done through Health Department/municipal test kits and results found by certified radon measurement contractor Cutter Vac. County Levels State News. Estimated Percentages of Homes with Radon >4pCi/L, Main Floor Year Average. Testing Your Home is Easy Zone 1 – Highest Potential (greater than 20% > 4pCi/L) Zone 2 – Moderate Potential (from 10-20% > 4pCi/L) Zone 3 – Lower Potential (from 1-10% > 4pCi/L) The Map of Radon Zones should not be used to determine if individual homes need to be tested. The more radon measurement results there are for a given zip code, the better this estimating procedure is. Highest Potential: counties have a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) (red zones) Moderate Potential: counties have a predicted average indoor radon screening level between 2 and 4 pCi/L (orange zones) Low Potential: . Radon can enter a building from the ground underneath it, and concentrate to tens or even hundreds of times the level in outdoor air. The color chart to the right of each map gives the percentages. Contact a Radon Information Center to get a test kit for around $20; certified measurement professionals are also available.. Contact the Radon Division. The map is intended to help governments and other organizations target risk reduction activities and resources. No matter where you live, test your home for radon—it’s easy and inexpensive. You may need a PDF reader to view some of the files on this page. Measurement must be performed to determine radon levels in any given residence or building. CDPH recommends that all homeowners test for radon, regardless of your local zip code results. State Radon Officer Ryan Paris (804) 864-8161 Virginia Dept of Health, Radiological Health James Madison Bldg, 7th Fl, 109 Governor St Rm 730 Richmond VA, 23219 Interactive Radon Map Radon Levels by State and by County. The Map of Radon Zones was developed in 1993 to identify areas of the U.S. with the potential for elevated indoor radon levels. An official website of the United States government. Zip Code. Click the county name to go to the map. EPA Radon Risk Map for Virginia Office of Radiological Health | 109 Governor Street, 7th Floor | Richmond, VA 23219 Telephone (804) 864-8150 | Fax: (804) 864-8155 The Map of Radon Zones was developed in 1993 to identify areas of the U.S. with the potential for elevated indoor radon levels. The map enables you to zoom in and out and to find average measured radon levels by county and zip code. The primary purpose of the screening was to determine whether there are particular regions within Illinois which are more prone to radon than others. Zip code data files show aggregate test data for zip codes, but is not sorted by county. This information is supported by Health.data.ny.gov. Radon Levels by Counties and Towns; The United States Environmental Protection Agency estimates that radon causes thousands of cancer deaths in the United States each year. *The data presented above have been collected from Air Chek, Inc., the US EPA, and various state and county health departments. In zip codes with few radon results, there is low confidence that the reported average is representative of radon levels in that area. Check out the certified contractor listings.. Save a Life. EPA recommends that this map be supplemented with any available local data in order to further understand and predict the radon potential for a specific area. An official website of the United States government. Using Social Media to Accomplish Your Communications Goals. The reason that radon levels can go up and down in the summer is because of a temperature change, though this one is less extreme. Protect yourself and your loved ones: Do a home radon test. 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