NASA Study: 10 Best Plants You Can Grow Indoors for Air Purification


We often think of pollution as an outdoor problem, but indoor air can also be polluted with harmful chemicals. According to the U.S. Environmental Protection Agency, people spend 90 percent of their time indoors and poor air quality can cause great harm to their health.

Indoor air pollutants can trigger coughing, chest tightness, frequent headaches, sore throats, watery or itchy eyes, shortness of breath and asthma attacks.

Some of the most dangerous indoor air pollutants include carbon monoxide, radon gas, formaldehyde, benzene, ammonia and trichloroethylene.

These harmful pollutants arise from cigarette smoke, paint, plastics, chemicals in carpets, cleaning solutions and numerous building and furniture materials.

Nature offers a simple and effective solution for indoor air purification. Many plants help remove pollutants from the air naturally.

In fact, a 1989 NASA study suggests having at least one houseplant with air purification power for every 100 square feet of home or office space.

However, be careful in your selection of houseplants if you have pets in your house as some houseplants such as English ivy, red-edged dracaena, peace lily, weeping fig, rubber plant and florist’s chrysanthemum can be toxic to pets.

Here are the 10 best plants you can grow indoors for air purification:

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Additional Tips

  • Increase ventilation in your house to allow fresh air in. This will help remove indoor pollutants.
  • Install a HEPA (high-efficiency particulate air) filter in your house and office.
  • If using a gas stove, keep the kitchen window open while cooking or turn on the fan hood to reduce nitrogen dioxide buildup.
  • Avoid house cleaning products that have chlorine, ammonia and volatile organic compounds (VOCs).
  • Bathe your pet regularly. To reduce allergens in your house, you can brush your pet outside.
  • Use air conditioning to keep humidity down and reduce dust mite allergens.
  • Wash your bedding once a week in hot water and, if possible, dry it in direct sunlight.
  • Reduce dust by dusting often with a damp cloth or dust mop.
  • Use a vacuum with a HEPA filter.
  • Make a strict rule and say ‘no’ to smoking in your home.
  • Avoid the use of chemical air fresheners as they contain toxic chemicals. Instead, you can easily make your own natural air freshener at home with baking soda and essential oils. You can find the recipe in this post.




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