What is radon, and why is it a concern for indoor air quality?

Radon is a naturally occurring radioactive gas that is produced from the decay of uranium in soil, rock, and water. It is a concern for indoor air quality because it can accumulate in buildings, particularly in enclosed spaces such as basements and lower levels, where it can reach elevated levels. Prolonged exposure to radon is linked to an increased risk of developing lung cancer, making it a significant health hazard.

As a colorless, odorless gas, radon is often undetectable without specialized testing, which adds to its risk factor. Testing for radon levels and taking corrective measures if necessary are crucial steps in ensuring safe indoor air quality. Furthermore, while other options might involve household products or plants, they do not relate to air quality concerns or pose health risks akin to radon exposure. Understanding the nature of radon and its effects on health highlights the importance of monitoring indoor environments for this hazardous gas.