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You’ve heard that the air inside our homes is significantly more polluted than the air outside, right? In fact, some studies say it is three to five times more polluted! To top it off, our indoor air quality becomes even worse during the summer and winter months when we keep our windows and doors shut, trapping allergens and pollutants inside.

To keep the air inside your home as clean as possible, filter it with a high-quality air purifier and air purifying plants. We’ll also list a few easy tips to help prevent the air in your home from becoming polluted to begin with.

In this article

HEPA air purifiers

HEPA air purifiers are highly effective at removing very small pollutant particles such as tobacco smoke, dust, and pollen. If they also come with activated carbon filters, then they can absorb additional VOCs and other gas and chemical particulates that some HEPA filters cannot.

In addition, look for a CADR (Clean Air Delivery Rate) of more than 200 cubic feet per minute if you need your air purifier to absorb those small particulates more quickly.

Also read: How to Choose the Best Air Purifier for Your Home

Air purifying plants

Astronauts can’t exactly pop open the windows on the space shuttle when things get a little stuffy, so NASA did a study to identify plants that helped to clean toxins from the air. It turns out that certain houseplants (particularly those that require low amounts of light) were found to absorb airborne pollutants and improve indoor air quality.

These air-purifying plants did well in their study:

  • Chrysanthemums (potted mums)
  • Gerbera daisies
  • English ivy
  • Golden pothos
  • Dracaena

Practices to reduce indoor air pollution

In addition to filtering the air inside your home, you can also incorporate a few simple practices to help reduce the level of pollutants that build up in the first place. Here is where most of our indoor air pollution comes from and how you can keep your home’s air cleaner.

Keep the air clean, naturally

Shoes & Floors: We constantly track bacteria and viruses into the house from the bottom of our shoes. Wipe your feet on a doormat when you come inside and leave your shoes at the door. It’s also a good idea to invest in a vacuum with a good HEPA filter and use it weekly, at minimum. You’ll also want to clean wood and tile floors regularly with white vinegar to kill germs.

Cleaning Products: Minimize or eliminate cleaning products that contain chemicals. Use natural home cleaners such as baking soda and white vinegar, or opt for non-toxic cleansers made from plant and mineral ingredients.

Scented candles: Skip any air freshener or scented candle that lists “fragrance” or “parfum” on the label. As an alternative, choose unscented candles or candles that list essential oils on the label. Better yet, simply diffuse organic or ethically sourced essential oils and skip the candle altogether. You can also use white vinegar and baking soda, instead of odor-masking chemicals, to naturally deodorize your home.

Dry cleaning: Formaldehyde and other harmful chemicals can leach from dry cleaned clothing into your car and home and dirty the air. Consider clothing that doesn’t require dry cleaning . Alternatively, leave dry cleaned clothing to air out in the garage or on the patio before bringing them inside.

Pet dander, dust mites, and pollen: Without fresh air circulating throughout your home, allergen pollutants can become a big issue. Vacuum furniture, flooring, and drapes using a vacuum with a good HEPA filter at least once a week. Cover your mattresses and pillows with tightly woven cotton (which is breathable, but doesn’t let dust mites through) and wash your bedding weekly in hot water (130°F). Lastly, bathe pets regularly to remove dander and wash their beds weekly in hot water.

Prevent mold & mildew: The spores produced by mold and mildew can become airborne and cause issues. Be sure to turn on the exhaust fan or open a window during showers and let the air circulate until the humidity clears out. Also, clean your bathroom regularly with white vinegar and hydrogen peroxide to kill any mold that does build up.

Open a Window: Although this can be difficult when it’s cold outside, open windows and doors on occasion to circulate some fresh air through the house, even if it’s just for a few minutes at a time.

Other preventative measures

Smoking Indoors – This is an obvious no-no.

Warming up the Car – Never idle your car in an attached garage, because the exhaust can blow into your home.

Humidifiers – Heaters are obviously great in winter, but they can really dry the air. A good humidifier can moisten the air, making breathing more comfortable again. That said, humidifiers can also breed mold and cause certain illnesses such as hypersensitivity pneumonitis and humidifier fever. Use a humidity meter to monitor the moisture level in your home and keep it below 50%. Also, be sure to clean the humidifier regularly and refill it with fresh water daily.

Paint – Avoid painting your home with oil or latex during the winter months. If you do want to paint in colder months, use natural paints made from plants, minerals, clay and/or milk. Natural paints are safe to use indoors with the windows closed because they don’t contain chemicals or emit harmful fumes.

Cooking – Use an exhaust fan or open the kitchen windows when cooking, so any smoke is flushed outdoors.

Fuel-Burning Appliances – Any appliances that use gas or emit smoke should be well-maintained so they don’t emit pollutants into your home. This includes fireplaces, wood-burning stoves, furnaces, clothes dryers, ovens, stoves, space heaters, and water heaters. You should also place a few carbon monoxide detectors around your home (especially near bedrooms) to alert you of any problems.

Good To Know

Even a single exposure to poor air quality can bring on headaches, sneezing, dry eyes, skin rashes, and drowsiness. Children and the elderly can be more severely affected, as well as those suffering from asthma, chemical sensitivities or respiratory-related illnesses such as bronchitis or pneumonia.

Long-term exposure to poor air quality is even more dangerous. It can create sensitivities that you wouldn’t have otherwise experienced. And over time it can lead to chronic lung disease and some forms of cancer.

Taking a few preventative measures to clear the air can make a world of difference.


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