10 Steps to Better Indoor Air Quality

You may be surprised to know that even indoor air can be polluted, sometimes more so than outdoor air. And because many people who have COPD or other chronic health conditions spend a great deal of time indoors, improving indoor air quality is especially important.

Couple unpacking groceries in kitchen of home

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To help you improve the quality of your indoor air, here are 11 steps designed for those with COPD or other chronic illnesses.

1. Take Charge of Your Home

The first step towards improving indoor air quality is taking charge of your home. This means identifying the three major categories of substances that can reduce the quality of your indoor air. They are:

  • Allergens An allergen is a substance that causes your body's immune system to have an allergic response. Common sources of allergens include pollen (brought in from outdoors), pet dander, dust mites, cockroaches and rodents.
  • Irritants include substances that irritate your respiratory system without necessarily invoking an immune response. Common sources of irritants include paint (also wood finishes and stains), pesticides, tobacco smoke (including secondhand smoke), chemicals in cleaning products or smells from new furniture.
  • Dangerous Chemicals Although less common, dangerous chemicals can have a far greater impact on your health. Included as dangerous chemicals are carbon monoxide and radon, both which are highly poisonous and should be immediately eliminated if detected in your home.

Now that you have identified the sources of your indoor air pollution, follow the remaining steps to help manage them.

2. Talk to Your Healthcare Provider

Many healthcare providers are extremely knowledgeable about issues surrounding air pollution, both indoor and out. And who better to help you create a plan to manage indoor air pollution than a healthcare provider who knows you well.

3. Properly Ventilate Your Home

According to the Environmental Protection Agency (EPA), one of the most important ways that you can reduce the build-up of indoor air pollution is to properly ventilate your home. This can be done by opening windows, using exhaust fans that send their exhaust outside of the home, using window fans or running window air conditioners. Exhaust fans also benefit your home by minimizing moisture.

4. Tell Grandpa to Smoke His Pipe Outside

Tobacco smoke is an irritant and breathing secondhand smoke is extremely hazardous to your health. To improve your indoor air quality, don't allow anyone to smoke inside of your home.

5. Get Rid of Pesky Dust Mites

Did you know dust mites survive by eating dead skin cells of both people and pets? Invisible to the naked eye, these nasty little creatures are a major source of indoor air pollution and are usually found in all homes. Dust mites produce feces and have brittle shells that create dried particles. People can actually inhale these particles and cause damage to their lungs. You can reduce the dust mite population within your home with a few simple steps:

  • Wash bed linens weekly
  • Lower your indoor humidity level to below 50% (with a dehumidifier or air-conditioner)
  • Keep all pets off furniture

6. Think About Wood Flooring

If you have always wanted hard-surface or wood flooring but could never justify the cost, knowing that hard-surface flooring is easier to maintain in an allergen-free state than carpet, may be just the excuse you've been looking for. Carpets are far less sanitary than hard-surface flooring, so if you choose to keep them, make sure you vacuum regularly.

7. What About an Air Filtration System?

Filtering your indoor air by way of a central system for the entire home is the single, most efficient way to improve your indoor air quality. If a central system is not an option, you may consider a single room air purifier. Remember, though, a single room purifier is just that; it purifies the air in only one room. Because air moves about your home freely, air from a non-filtered room can easily make its way to a filtered room, defeating the purpose of your mission. With whichever system you choose, make sure it has a HEPA filter and beware of systems that generate ozone but claim to filter the air. 

8. Make Sure Your Home Is Radon Free

A radioactive gas that can cause lung cancer, radon is colorless and odorless, so detecting it is impossible without testing for it. The EPA recommends a do-it-yourself testing kit that can assess radon levels in your home. 

9. Become Product Conscious

Did you know that certain products can actually help you maintain healthy air quality within your home? The Asthma and Allergy Foundation of America has developed a certification program designed to help you identify which products these are. 

10. Watch Out for Household Chemicals

The final step in our management plan for improving indoor air quality requires that you become aware of the different types of products in your home that contain harsh chemicals. These include paints, varnishes, wax, and cleaning or cosmetic supplies. According to the EPA, everyday household items such as these contain dangerous chemicals that can cause harm to your lungs if inhaled. If you must purchase these types of products, do so in limited quantities. Also, don't keep partially used containers of unnecessary products laying around your home as they can emit chemicals that are bad for your lungs.

5 Sources
Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.
  1. Baxi SN, Phipatanakul W. The role of allergen exposure and avoidance in asthmaAdolesc Med State Art Rev. 2010;21(1):57–ix.

  2. U.S. Environmental Protection Agency. Fundamentals of Indoor Air Quality in Buildings.

  3. U.S. Environmental Protection Agency. Improving Indoor Air Quality.

  4. American Lung Association. Dust Mites.

  5. U.S. Environmental Protection Agency. What is radon gas? Is it dangerous?

By Deborah Leader, RN
 Deborah Leader RN, PHN, is a registered nurse and medical writer who focuses on COPD.