How Long Does It Take for Formaldehyde in a New Car to Dissipate?

1 Answers
GiannaDella
07/29/25 6:49pm
It takes several months to remove formaldehyde from a new car. During summer, the process can be accelerated. The most effective and simplest method is to park the car under direct sunlight with the windows open for ventilation. Typically, formaldehyde will mostly dissipate within a week. Activated Charcoal for Formaldehyde Removal: This is the most commonly used method in daily life and is cost-effective. However, activated charcoal tends to reach adsorption saturation quickly and needs replacement or sun-drying afterward. Additionally, if the amount of activated charcoal is insufficient, it won’t have much effect on formaldehyde removal. Opening Car Windows: Opening the windows allows natural air circulation, which helps discharge harmful gases outside—simple yet effective. Try to keep the windows open for extended periods to ventilate the car interior. Using an electric fan can also help accelerate indoor-outdoor air exchange, ensuring forced ventilation for a month.
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