Is Radon a Problem Where I Live in Connecticut?





Radon is indeed a problem in the state of Connecticut. The average level for radon in Connecticut is 3.4 pCi/L which is much higher than the national average of 1.3 pCi/L. Radon is a problem in Connecticut, just like it is in every US state. Four counties in Connecticut have been flagged by the EPA for having higher levels of radon than what is common. These counties include Fairfield, Middlesex, New Haven, and New London.

If you live in any of these counties, please run a radon test as soon as you can. You can do these yourself, or you can hire professionals. If you choose to run your own radon test, please visit this article to read about and pick up either the radon test kit that we recommend or our favorite radon detectors.

There are 3 counties that are in the EPA’s Zone Two (radon levels between 2-4 pCi/L) range, which is an area where radon is still a problem, but is not quite as bad as it is in the Zone One areas. It’s recommended that you test your home’s air for radon if you’re in a Zone Two area.

Finally, there is just one county that the EPA classified as Zone Three (radon levels between 0-1.9 pCi/L) range. Radon is more of a minor issue in this county, but that does not necessarily mean that it’s out of the woods. There are plenty of counties that the EPA said are in Zone Three that tested out and have some really high average radon levels. There are plenty of homes that have really high levels of radon sprinkled throughout the whole nation. The only way to find out if your home has a radon issue is to test for it.

At the end of the day, counties that are marked as Zone One by the EPA have an increased risk of having a radon problem that’s really high, areas that are Zone Two mave a higher risk of having a mid-level radon threat, and Zone Three counties have the lowest risk. Whatever zoning you’re in, it’s wisest to test for radon in your home. The zone designations serve as more of an idea on what you might be able to expect from your radon test results.

Here’s a county by county breakdown of Connecticut’s radon levels, as per the EPA and radon.com. If you’d like to see the nationwide data that we collected presented on tables, then you can do so on our article here.

Is Radon a Problem in Fairfield County?

Radon is a major problem in Fairfield County, Connecticut according to its average radon level. Radon levels between 4 and 8 pCi/L are known to cause lung cancer and are a lot more dangerous than lower radon levels. If you live in a region with this heightened average level of radon, you should immediately test your home’s air. If your results come back as anything above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone One” county. This means that they found radon levels to be greater than 4 pCi/L. At these levels, it’s highly advisable to seek ways to mitigate radon levels in your home. At levels above 4 pCi/L, radon is a high-level threat to your health and is one you should take action on. 

Tests from Radon.com find the average radon level is between 2 and 4 pCi/L. Radon levels between 2 and 4 pCi/L are known to cause cancer and can be lessened with a radon mitigation system. If you live in a region with this average radon level, then you should test for radon in your home. If your radon level is above 2, then a radon mitigation system can help you protect your health. 

Is Radon a Problem in Hartford County?

Radon is a problem in Hartford County, Connecticut according to its average radon level. Radon levels between 2 and 4 pCi/L are known to cause lung cancer. If you live in a region with this average level of radon, you should test your home’s air immediately. If your results come back and are above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone Three” County. This means that they found radon levels to be below 2 pCi/L. At these levels, it is still advisable to test for radon levels in your home. Radon levels below 2 pCi/L are hard to reduce, but radon is a toxic gas, so it’s worth doing what you can to limit your exposure to it. At 2 pCi/L and less, radon is a low-level threat to your health, but is not one you should ignore.

Tests from Radon.com find the average radon level is between 2 and 4 pCi/L. Radon levels between 2 and 4 pCi/L are known to cause cancer and can be lessened with a radon mitigation system. If you live in a region with this average radon level, then you should test for radon in your home. If your radon level is above 2, then a radon mitigation system can help you protect your health. 

Is Radon a Problem in Litchfield County?

Radon is a major problem in Litchfield County, Connecticut according to its average radon level. Radon levels between 4 and 8 pCi/L are known to cause lung cancer and are a lot more dangerous than lower radon levels. If you live in a region with this heightened average level of radon, you should immediately test your home’s air. If your results come back as anything above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone Two” County. This means that they found radon levels to be between 2 and 4 pCi/L. At these levels, it’s advisable to seek ways to mitigate radon levels in your home. At 2-4 pCi/L, radon is a mid-level threat to your health and is one you shouldn’t ignore. 

Tests from Radon.com find the average radon level is between 4 and 8 pCi/L. Radon levels this high are a greater health risk than lower levels, and can be lessened with a proper radon mitigation system. If you live in a region with this high of an average radon level, then you need to invest in a radon test or a radon detector. Once you get your radon test results back, then you can decide if you need a radon mitigation system or not. If your results come back above 2 pCi/L, then you should get a radon mitigation system.

Is Radon a Problem in Middlesex County?

Radon is a major problem in Middlesex County, Connecticut according to its average radon level. Radon levels between 4 and 8 pCi/L are known to cause lung cancer and are a lot more dangerous than lower radon levels. If you live in a region with this heightened average level of radon, you should immediately test your home’s air. If your results come back as anything above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone One” county. This means that they found radon levels to be greater than 4 pCi/L. At these levels, it’s highly advisable to seek ways to mitigate radon levels in your home. At levels above 4 pCi/L, radon is a high-level threat to your health and is one you should take action on. 

Tests from Radon.com find the average radon level is between 2 and 4 pCi/L. Radon levels between 2 and 4 pCi/L are known to cause cancer and can be lessened with a radon mitigation system. If you live in a region with this average radon level, then you should test for radon in your home. If your radon level is above 2, then a radon mitigation system can help you protect your health. 

Is Radon a Problem in New Haven County?

Radon is a major problem in New Haven County, Connecticut according to its average radon level. Radon levels between 4 and 8 pCi/L are known to cause lung cancer and are a lot more dangerous than lower radon levels. If you live in a region with this heightened average level of radon, you should immediately test your home’s air. If your results come back as anything above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone One” county. This means that they found radon levels to be greater than 4 pCi/L. At these levels, it’s highly advisable to seek ways to mitigate radon levels in your home. At levels above 4 pCi/L, radon is a high-level threat to your health and is one you should take action on. 

Tests from Radon.com find the average radon level is between 2 and 4 pCi/L. Radon levels between 2 and 4 pCi/L are known to cause cancer and can be lessened with a radon mitigation system. If you live in a region with this average radon level, then you should test for radon in your home. If your radon level is above 2, then a radon mitigation system can help you protect your health. 

Is Radon a Problem in New London County?

Radon is a major problem in New London County, Connecticut according to its average radon level. Radon levels between 4 and 8 pCi/L are known to cause lung cancer and are a lot more dangerous than lower radon levels. If you live in a region with this heightened average level of radon, you should immediately test your home’s air. If your results come back as anything above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone One” county. This means that they found radon levels to be greater than 4 pCi/L. At these levels, it’s highly advisable to seek ways to mitigate radon levels in your home. At levels above 4 pCi/L, radon is a high-level threat to your health and is one you should take action on. 

Tests from Radon.com find the average radon level is between 2 and 4 pCi/L. Radon levels between 2 and 4 pCi/L are known to cause cancer and can be lessened with a radon mitigation system. If you live in a region with this average radon level, then you should test for radon in your home. If your radon level is above 2, then a radon mitigation system can help you protect your health. 

Is Radon a Problem in Tolland County?

Radon is a problem in Tolland County, Connecticut according to its average radon level. Radon levels between 2 and 4 pCi/L are known to cause lung cancer. If you live in a region with this average level of radon, you should test your home’s air immediately. If your results come back and are above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone Two” County. This means that they found radon levels to be between 2 and 4 pCi/L. At these levels, it’s advisable to seek ways to mitigate radon levels in your home. At 2-4 pCi/L, radon is a mid-level threat to your health and is one you shouldn’t ignore. 

Tests from Radon.com find the average radon level is between 2 and 4 pCi/L. Radon levels between 2 and 4 pCi/L are known to cause cancer and can be lessened with a radon mitigation system. If you live in a region with this average radon level, then you should test for radon in your home. If your radon level is above 2, then a radon mitigation system can help you protect your health. 

Is Radon a Problem in Windham County?

Radon is a major problem in Windham County, Connecticut according to its average radon level. Radon levels between 4 and 8 pCi/L are known to cause lung cancer and are a lot more dangerous than lower radon levels. If you live in a region with this heightened average level of radon, you should immediately test your home’s air. If your results come back as anything above 2 pCi/L, you should invest in a radon mitigation system to protect your health. 

The EPA labeled it as a “Zone Two” County. This means that they found radon levels to be between 2 and 4 pCi/L. At these levels, it’s advisable to seek ways to mitigate radon levels in your home. At 2-4 pCi/L, radon is a mid-level threat to your health and is one you shouldn’t ignore. 

Tests from Radon.com find the average radon level is between 4 and 8 pCi/L. Radon levels this high are a greater health risk than lower levels, and can be lessened with a proper radon mitigation system. If you live in a region with this high of an average radon level, then you need to invest in a radon test or a radon detector. Once you get your radon test results back, then you can decide if you need a radon mitigation system or not. If your results come back above 2 pCi/L, then you should get a radon mitigation system.

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Jonathon Silva

Jonathan Silva is our longtime Air Purifier Essentials author. He has been writing on air purification technologies for his entire professional career.

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