House Plants That Clean the Air: NASA-Proven Varieties for Healthier Homes

Plants don't just add beauty—they make us feel better emotionally, restore oxygen, and NASA studies proved many common houseplants reduce toxic chemicals (formaldehyde, benzene, trichloroethylene) from indoor air.

Top 10 Air-Cleaning Plants

1. Lady Palm — unbeatable for ammonia removal
2. Rubber Plant — best Ficus for toxins, especially formaldehyde
3. Boston Fern — tops for formaldehyde removal; adds humidity
4. Peace Lily — leading all-around remover of acetone, alcohols, benzene, ammonia, trichloroethylene, formaldehyde, xylene
5. Corn Plant — high ranking in all categories, especially formaldehyde
6. Dragon Tree — dynamic cleaner of xylene and trichloroethylene
7. English Ivy — vigorous climber, removes many toxins especially formaldehyde
8. Pygmy Date Palm — high overall ranking; especially effective for xylene and toluene
9. Florist's Chrysanthemum — primary air-filtering plant for formaldehyde, ammonia, benzene
10. Weeping Fig — near top for formaldehyde; also purifies ammonia, xylene, toluene

Buying Tip

Most efficient air cleaners have high transpiration rates (move lots of water from roots to leaves). Parlor Palm, Peace Lily, and Pothos are common high-transpiration plants.

Minimum: one plant per 100 sq ft of living space for efficient air purification. More is better.

Resource: "How to Grow Fresh Air" by Dr. B.C. Wolverton