Curious Air Facts!

-How much air an average human breathe?

We breathe around 11,000 liters / 388 cubic feet of air in a day.

-How much oxygen an average human breathe?

We breathe 550 liters / 19 cubic feet of Oxygen per day.

-How much oxygen does a house plant produce?

A typical houseplant leaf produces about 5 ml of oxygen per hour (more when it is growing, less when carbon dioxide levels are higher, that is, the more oxygen you breathe in and carbon dioxide you breathe out, the less oxygen plants make, less at night).

-How much carbon dioxide is absorbed by trees?

A tree can absorb as much as 22Kg of carbon dioxide per year and can sequester 1 ton of carbon dioxide by the time it reaches 45 years old.

-What plants give off the most oxygen?

  1. Garden Mum
  2. Spider Plant
  3. Dracaena
  4. Ficus/Weeping Fig
  5. Peace Lily
  6. Boston Fern
  7. Snake Plant/Mother-in-Law’s Tongue

-Which trees absorb the most carbon dioxide?

  1. Pine (Ponderosa, red, white and Hispaniolan pines)
  2. Oake (Scarlet, Red and Virginia Live Oak)
  3. Douglas fir
  4. Bald Cypress
  5. Common Horse-chestnut
  6. Black Walnut
  7. London Plane

-How many plants should you have in your house?

The NASA studies on indoor pollution done in 1989 recommends 15 to 18 plants in 6 to 8-inch- diameter pots to clean the air in an average 1,800Ft²/167m². That’s roughly one plant per 100Ft²/9,2m² of floor space.

-How many plants are needed for a human to survive in an isolated room?

Scientists estimate a safe oxygen consumption of 50 liters per hour for a human. Meanwhile, a leaf gives off about 5 millilitres of oxygen per hour. A person would need to be in a room with about ten thousand leaves. About 300 to 500 plants would produce the right amount of oxygen, but it’s much harder to estimate the amount of carbon dioxide the plants absorb, especially if every time a person breathes out, they inhibit oxygen production. To be safe, don’t get into an airlock room without bringing about seven hundred potted plants with you.


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