Best Indoor Plants for Clean Air and Stress Relief According to Experts
Author: Emily Ashcroft, Posted on 4/9/2025
A cozy living room with various potted plants placed strategically around the space, creating a calming and fresh atmosphere

Most Effective Air-Purifying Plants for Homes

Certain indoor plants are known to boost air quality by filtering toxins commonly found in homes.

They can help reduce substances such as formaldehyde, benzene, and carbon monoxide, making living spaces feel cleaner and more comfortable.

English Ivy

English Ivy (Hedera helix) is prized for its ability to filter harmful pollutants from indoor air.

This plant is especially effective at removing airborne mold and formaldehyde, which are often found in household cleaning products and furniture.

With its trailing vines, English Ivy can be grown in hanging baskets or pots placed on shelves.

It requires moderate, indirect sunlight and soil that is kept consistently moist but not soggy.

Regular pruning helps maintain its shape and health.

English Ivy is particularly helpful for people with allergies, as it can capture dust and other allergens on its leaves.

However, it is important to note that English Ivy is toxic to pets if ingested, so it should be kept out of reach of cats and dogs.

Weeping Fig

The Weeping Fig (Ficus benjamina), known for its slender branches and glossy green leaves, is an effective air-purifying plant for homes.

Studies have shown it can filter volatile organic compounds (VOCs) such as formaldehyde, benzene, and trichloroethylene, which are found in carpets and paint.

Weeping Figs thrive in bright, indirect light and benefit from consistent watering when the top inch of soil feels dry.

Avoid exposing the plant to drafts or sudden temperature changes to minimize leaf drop.

Though low maintenance, this plant is not recommended for spaces with pets, as its sap may cause skin irritation or be toxic when ingested.

The Weeping Fig also helps reduce stress through its lush foliage and calming aesthetic.

Dracaena

Dracaena is a diverse genus with several species known for removing toxins from indoor air.

Highlighted on expert lists for improving indoor air quality, Dracaenas efficiently filter formaldehyde, benzene, and carbon monoxide, which are emitted from cigarette smoke, building materials, and exhaust fumes.

They come in various shapes and sizes, from tall spiky-leaved varieties to more compact types.

Dracaenas prefer indirect light and should not be overwatered, as too much moisture can lead to root rot.

This plant is a top choice for beginners because it is hardy and can adapt to different conditions within the home.

However, the leaves are toxic to pets, so caution is recommended in households with animals.

How Indoor Plants Improve Air Quality

Indoor plants can contribute to a healthier living space by removing certain toxins and helping to manage indoor moisture levels.

These benefits can enhance overall air quality, making the home environment more comfortable and safer.

Removal of Harmful Chemicals

Research has shown that some houseplants can absorb pollutants such as formaldehyde, benzene, and other volatile organic compounds (VOCs) through their leaves and roots.

This process helps to reduce the concentration of these chemicals, which are commonly released by furniture, cleaning products, and building materials.

Plants like Golden Pothos, spider plants, and peace lilies are often highlighted for their ability to remove toxins like formaldehyde and benzene from indoor environments.

While the degree of purification may be lower than once believed, having several houseplants can still provide measurable benefits in specific circumstances.

It is important to note, however, that houseplants work best as part of a broader indoor air quality management plan.

Regulation of Humidity

Many indoor plants release moisture into the air through a process called transpiration.

As water evaporates from the surface of their leaves, it adds humidity to the surrounding environment.

This can be especially helpful in dry climates or during winter when indoor air tends to become very dry.

Proper humidity regulation can reduce the risk of respiratory discomfort, dry skin, and irritation.

Plants that are large or have broad leaves, like ferns and areca palms, are known for their ability to help stabilize indoor humidity levels.

Consistent and moderate humidity also discourages the formation of dust and the spread of airborne pollutants, supporting better indoor air quality.