12 Ways to Get Clean Air Without Chemicals

Improve the air quality in your home.

arm opens window with sunshine

Treehugger / Sanja Kostic

Whether you’re indoors or outdoors, the quality of the air you breathe can have a big impact on your health. Studies have tied poor outdoor air quality to lung cancer, strokes and heart disease. In fact, air pollution causes about seven million deaths worldwide each year, according to the World Health Organization.

However, the air inside your home can be even more polluted than the air outside, the Environmental Protection Agency (EPA) says. And research shows we spend most of our time indoors, which is all the more reason to start cleaning our indoor air.

There is a myriad of reasons your indoor air can be polluted. Some sources, such as furnishings and building materials, can release pollutants more or less continuously, according to the EPA. Other sources, like smoking, cleaning or renovating, can release pollutants intermittently. Unvented or malfunctioning appliances can release potentially dangerous levels of pollutants indoors (which is why it’s so important to have a working carbon monoxide detector in your home).

And if you think spraying scented air freshener will clean your air, think again. That scent is also a form of indoor air pollution, and most air fresheners just release more potentially harmful chemicals into your home. The health issues caused by those chemicals cost about $340 billion a year in treatment and lost productivity expenses, according to a study published in The Lancet.

Read on for some tips on improving your indoor air quality without the use of chemicals.

1. Open Your Windows

open window with curtains to garden
Treehugger / Sanja Kostic

It's the simplest (and cheapest!) thing you can do to improve your indoor air quality. Open your windows for even just five minutes a day to alleviate the accumulation of harmful air pollutants in your indoor air.

2. Spruce Up Your Décor With Houseplants

tiny houseplants on an open shelf with books
 Treehugger / Sanja Kostic

Several types of houseplants filter out common volatile organic compounds from your indoor air.

Having indoor houseplants can help improve indoor air quality, according to a study published by the American Society for Horticultural Science. For example, spider plants are effective at reducing benzene, formaldehyde, carbon monoxide and nitrogen dioxide.

3. Opt for Essential Oil Diffusers

woman in sweater makes oil diffuser
Treehugger / Sanja Kostic

Some essential oils, like tea tree oil, have antibacterial properties and can be added to homemade household cleaners or even applied topically to your skin to treat a small cut. But did you know these oils also can reduce airborne bacteria? Essential oils like eucalyptus, clove and lavender have been proven to help reduce the number of dust mites in your house, too.

4. Opt for Beeswax Candles

woman lights beeswax candle on bed
Treehugger / Sanja Kostic

Bear with me on this one, because it’ll get a little scientific. In addition to the oxygen we need for our bodies to function properly, the air we breathe also contains other gases, and some combination of various chemicals and miniscule particles. Many of these chemicals and particles are pollutants that pose a health risk after entering the body via the lungs. Some studies even show a link between inhalation of ultrafine particles and the development of diabetes or cancer.

The good news is that some plants help remove these harmful pollutive elements from the air. Ions released by certain plants can bind to potentially harmful particles in the air and neutralize them. Some people argue that pure beeswax candles can help neutralize these particles in much the same way as plants, cleaning the indoor air. Still, more research is needed to understand whether beeswax candles can truly clean air.

It is important to note that burning any kind of candle still sends soot up into your air. To avoid that completely, consider LED candles, which will pollute the air less and reduce the risk of a fire.

5. Take Your Shoes Off

puts shoes on shoe rack
Treehugger / Sanja Kostic

The dirt outside can carry some really yucky stuff: pesticides, pollen, fungi, bacteria or feces, for example. When you walk inside your house, any or all of that could be on the bottom of your shoes, so it’s best to take them off when you get inside. It’ll help keep your air cleaner — not to mention your floors.

6. Keep Your Pets Groomed

woman brushes black dog hair outside
Treehugger / Sanja Kostic

Pet dander — your pets' skin cells — is found nearly everywhere in a home with pets. Even more than pet fur, dander can cause you to develop asthma-like symptoms or exacerbate your asthma if it already exists. If you have a pet, be sure to keep dander to a minimum by cleaning them regularly, brushing them outdoors if you can and vacuuming floors and furnishings regularly with a HEPA filter.

7. Run the AC

hand turns on air conditioning unit
Treehugger / Sanja Kostic 

If you have central air conditioning, you already have a whole-house air filtration system at your disposal. It works by pulling air out of your house, cooling it and pumping it back in. Most systems have a filter that you need to change regularly, and this filter can trap particles while it does its job. The more you change it, the better. Find out what kind of AC system you have and what its manufacturer recommendations are for changing your filters.

8. Clean With Non-toxic Chemicals

making cleaning supplies without toxic chemicals
Treehugger / Sanja Kostic

Many store-bought household cleaners contain toxic chemicals that can cause eye, nose, throat and lung irritation. If you’re going to use these, at least open windows while you do. But as a greener option, consider making your own household cleaners using ingredients such as vinegar, baking soda, citrus juice or essential oils.

9. Use an Air Purifier

Air purifiers can be an effective way to reduce harmful particles in the air. If your child has asthma, it may be worthwhile to have one in his room. Find out which one is right for you using the EPA’s guide.

10. Get Rid of Mold

These types of fungus can release spores into the air that can trigger allergy symptoms. It likes to grow in dark, damp places, such as your bathroom, laundry room and basement. But you don’t need to bleach it away. Use simple, chemical-free ingredients to rid your home of mold.

11. Air Out New Furniture

airing out new furniture outside in yard
Treehugger / Sanja Kostic

Volatile organic compounds (VOCs) are chemicals that linger in the air, and they are everywhere in our homes. VOCs such as toluene and benzene are found in things like glues, paints, fabrics, construction materials and more. When you buy a new sofa or armchair, know this: It will emit VOCs, more heavily at first and then taper off. To reduce the harm to your indoor air, air out as much as possible to allow VOCs to escape. If you can, keep it in your garage for a week, or at least keep the windows in that room open most of the day for the first few months.

12. Use Cooking Oils With Higher Smoke Points

hand pours cooking oil into skillet
Treehugger / Sanja Kostic

To avoid a kitchen filled with smoke and a lingering smell of burnt oil wafting through your house for hours, use a cooking oil that smokes at higher temperatures. Extra virgin olive oil has a lower smoke point compared to avocado, peanut, safflower, canola, corn, and sunflower oil. If you prefer the taste of olive oil, you can use light olive oil, which has been refined and has a smoke point between 390 F and 470 F, compared to 350 F to 410 F for extra virgin olive oil, according to the North American Olive Oil Association.

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