Is it good to open car windows when the car is exposed to the sun?

1 Answers
EvanDella
07/30/25 1:27am
It is not advisable to open car windows when the car is exposed to the sun, as it can cause a surge in formaldehyde levels inside the car. Here are the specific impacts of opening car windows under sun exposure: 1. Increased formaldehyde levels in the car: High temperatures in summer can trigger the release of pollutants from various sources inside the car, which may lead to cancer over time. Formaldehyde is a colorless gas with a strong irritating odor and is extremely harmful to human health. 2. Accelerated vehicle aging: It speeds up the aging of car paint and interior plastics; UV rays can accelerate the aging of plastic parts, rubber components (such as tires), and paint.
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