What are the initial symptoms of formaldehyde poisoning in Kunming, Yunnan?

Formaldehyde is a colorless test gas with a pungent smell. More than 0.08m? The initial poisoning phenomena are jealousy, itching, sore throat, hoarseness, sneezing, chest tightness, asthma and dermatitis. Newly renovated rooms, in addition to formaldehyde, there will be other irritating chemicals. Bad nose is not necessarily formaldehyde poisoning. However, the newly renovated house must not be moved in immediately, and it must be idle for a period of time. In your spare time, you can take some measures from in addition to formaldehyde. After all, long-term expectation is carcinogenic in a space with formaldehyde.