Explain why indoor plants improve air quality.

In short (click here for detailed version)

Indoor plants improve air quality by absorbing carbon dioxide and releasing oxygen during photosynthesis. In addition, some plants can also filter pollutants present in the air by absorbing them through their roots or leaves.

Explain why indoor plants improve air quality.
In detail, for those interested!

Natural purification process by plants

Plants function as natural air filters through a phenomenon called photosynthesis. During the day, they absorb carbon dioxide (CO2) present in the air and release purified oxygen. Their roots and leaves also capture certain toxic chemical substances, which they sometimes use as nutrients or simply trap in their tissues. Small openings on the leaves, called stomata, facilitate these gas exchanges, allowing indoor air to be naturally renewed and purified.

Elimination of toxic substances present in indoor air

Some indoor plants are very good at naturally removing pollutants from the air. They absorb chemical compounds commonly found in homes through their leaves and roots, such as formaldehyde, benzene, and xylene. These toxins often come from furniture, paints, or cleaning products that we use every day. Once absorbed, the plants transform them into harmless elements that they use to grow. It is an effective and completely natural biochemical process that contributes to a healthier home. Therefore, there is no need for sophisticated devices: a few plants are enough to breathe better-filtered air.

Functions of indoor plants in humidity regulation

Indoor plants naturally transpire through their leaves, a process known as evapotranspiration. This phenomenon allows for a gradual and steady release of water in the form of vapor into the air, which helps maintain a pleasant ambient humidity in the home. When the air is too dry, such as in winter with heating, these tiny water droplets released by the plants relieve the respiratory tract and prevent minor issues like eye irritation or dry skin. Having several plants at home acts as a natural air humidifier: it's simple, effective, and completely eco-friendly.

Recommended indoor plants to effectively improve air quality

Some plants are particularly effective at purifying your indoor space. The ficus effectively removes formaldehyde found in furniture and household products. The Boston fern, with its stylish leaves, increases humidity in the air and helps neutralize pollutants. The spathiphyllum, also known as the peace lily, is great at combating ammonia and other chemicals. The famous English ivy is a reliable choice against mold and benzene. Finally, the sturdy chlorophytum, or spider plant, is excellent for capturing many common pollutants in your home. With a few of these plants under your roof, the air you breathe will definitely be healthier and fresher!

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Frequently Asked Questions (FAQ)

1

How can I tell if the air inside my house is really cleaner because of my plants?

Although the changes may be subtle, you might notice a decrease in odors, an improvement in your breathing, or a reduction in potential allergies. It is also possible to use an air quality measuring device to obtain accurate results.

2

How often should I care for my indoor plants to optimize air quality?

It is advisable to regularly clean the leaves of your plants to remove dust, which can block gas exchanges and reduce their filtering efficiency. General maintenance of the plants every two to four weeks is usually enough to preserve their ability to purify the air.

3

How many indoor plants should be placed in a room to significantly improve air quality?

It depends on the size of the space and the type of plant used. Generally, it is recommended to have about one medium-sized plant for every 10 square meters to observe a noticeable effect on indoor air quality.

4

Do all indoor plants improve air quality?

Most plants help to purify the air, but some do so much more effectively than others. Plants such as the ficus, spider plant, and Boston fern have demonstrated a greater ability to remove harmful substances present in indoor air.

5

Can houseplants be harmful to pets?

Yes, some indoor plants can be toxic if ingested by pets. For example, lilies, pothos, or dieffenbachia are toxic to cats and dogs. Consider choosing non-toxic plants if your pets tend to chew on your plant decorations.

Natural Sciences

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