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Long-term vs. short-term radon exposure

Utah Radon Services
February 12, 2026
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< 2 min read
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radon exposure

Understanding Radon Exposure: Long-term vs. Short-term

Radon is a colorless, odorless gas that comes from the natural breakdown of uranium in soil, rock, and water. It can seep into homes through cracks in floors, walls, and foundations. Because you can't see, smell, or taste radon, many people don't realize they're being exposed to it. Understanding the difference between long-term and short-term radon exposure is important for protecting your health and the health of your family.

What is Short-term Radon Exposure?

Short-term radon exposure happens when you breathe in radon gas for a brief period, such as a few days or weeks. This might occur if you visit a building with high radon levels or if radon levels in your home spike temporarily due to weather changes or ventilation issues. While short-term exposure to radon isn't ideal, it's generally less concerning than long-term exposure because your body has less time to absorb the harmful radiation.

Scientists measure radon levels in picocuries per liter of air (pCi/L). The Environmental Protection Agency (EPA) recommends taking action if radon levels in your home are at or above 2.7 pCi/L. However, even short-term exposure to very high levels can be harmful, especially for children and people with existing respiratory conditions.

What is Long-term Radon Exposure?

Long-term radon exposure is much more dangerous. This occurs when you breathe in radon gas over months or years, which is common if you live in a home with elevated radon levels. Over time, the radioactive particles from radon can damage the cells lining your lungs, increasing your risk of developing lung cancer. In fact, radon is the second leading cause of lung cancer in the United States, right after smoking.

The risk from long-term exposure depends on two main factors: how much radon is in your home and how long you've been exposed to it. Even moderate radon levels can become dangerous if you're exposed to them for many years. This is why testing your home for radon is so important—it's the only way to know if you and your family are at risk.

Why Testing Matters

The good news is that radon problems can be fixed. If testing shows high radon levels in your home, radon mitigation systems can reduce those levels significantly. These systems work by ventilating radon gas out of your home before it can accumulate to dangerous levels.

Testing is simple and affordable, and it could save your life. We highly recommend getting your home tested by Utah Radon Services. They are experts in radon detection and mitigation, and they can help you understand your test results and take action if needed. Utah Radon Services uses professional-grade equipment and follows EPA guidelines to ensure accurate results.

Take Action Today

Don't wait to find out if your home has a radon problem. Whether you're concerned about short-term spikes or long-term exposure, testing is the first step toward protecting your family's health. Contact Utah Radon Services today to schedule a radon test. It's a small investment that can make a big difference in keeping your home safe and healthy for years to come.

Utah Radon Services
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12393 Gateway Park Pl, STE E300
Draper, UT 84020
801-871-0715
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Logan, UT 84321
435-222-5448
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Provo, UT 84601
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