Formaldehyde, which has been classified as a Class I carcinogen by the World Health Organization.

Research has found that formaldehyde is one of the causes of leukemia. For determining whether indoor formaldehyde exceeds the standard, I believe that many people are still using the "nose smell" method.

The International Health Organization has researched and investigated that the lower limit of human olfactory sensitivity to formaldehyde is 1mg/m³, which means that people will feel the taste when the indoor formaldehyde content exceeds 1mg per cubic meter.

What is the smell of "formaldehyde" in the end?

We usually come into contact with glue, in fact, the main component of glue is a variety of adhesives, the main component is formaldehyde, we just buy a bottle of glue in the stationery store, open and use it to experience the strong "formaldehyde smell".

Long-term living in formaldehyde exceeded indoor, can cause allergic reactions, skin redness, itching, can also cause respiratory irritation, such as edema, asthma, as well as headaches, dizziness, toxic reactions, and in serious cases can even cause cancer.

Methods of removing formaldehyde
First of all, we should open the windows to keep the indoor air circulation, you can put some green potted plants that can help absorb indoor formaldehyde, you can set aside activated carbon, is indoor cabinets or drawers and other places to help adsorb various toxic gases in the room. Can also be placed in the corner of some pineapple peel, onions and so on.