Why Is Indoor Air Quality Often Worse Than Outdoor Air Quality?

December 1, 2024
IAQ in Dexter, MO

When you think of air pollution, you likely imagine smog-filled cityscapes or factories billowing smoke. However, the reality is that the air inside your home can be more polluted than the outdoor air. In fact, the EPA estimates that indoor air pollution levels can be 2 to 5 times higher than outdoor levels, and in some cases, even more. But why is this the case? Let’s explore the factors contributing to indoor air pollution and how you can protect your home’s air quality.

Sources of Indoor Air Pollution

Indoor air pollution stems from everyday activities and materials. Common culprits include household cleaning products, paints, and building materials, which release volatile organic compounds (VOCs) into the air. Additionally, cooking, smoking, and burning candles can release harmful particles. Even everyday items like furniture and carpets can off-gas chemicals.

Another significant factor is inadequate ventilation. Modern homes are built to be energy-efficient, which means they’re sealed tightly to prevent air leakage. While this keeps energy costs low, it also traps common pollutants inside, causing them to build up over time.

Outdoor Air Has a Natural Cleansing Process

Unlike the confined environment of a home, outdoor air benefits from natural filtration processes. Sunlight, wind, and rain all work to break down and disperse pollutants. Trees and plants also act as natural air purifiers by absorbing carbon dioxide and releasing oxygen. Without these natural systems indoors, pollutants have nowhere to go and remain concentrated in the air you breathe. These pollutants affect your home and body in many different ways.

How to Improve Your Indoor Air Quality

The good news is that you can take steps to reduce indoor air pollution. Regularly replacing air filters, maintaining your HVAC system, and investing in air purifiers are all effective ways to improve air quality. Proper ventilation is also crucial—bringing fresh air in and expelling stale air helps reduce the concentration of indoor pollutants.

For homeowners in Dexter, MO, maintaining indoor air quality is essential for your health and comfort. At Carlos Warren & Son, we specialize in air quality solutions that keep your home safe and breathable, as well as serving all your heating service and air conditioning needs. Contact us today to learn how we can help you improve your indoor air.

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