To alleviate stuffiness, many people roll down car windows while driving. However, multiple studies have shown that rolling down car windows while driving can have various negative effects.
Air pollution
Opening car windows while in transit means that both the driver and passengers will be directly exposed to dirt in the air. According to an experiment measuring the concentration of pollutants in the car when the HVAC system (heating, ventilation, and air conditioning) is on, harmful particles decrease by 80% when the windows are closed and the fan is turned on.
Usually, the cabin air filter will significantly filter pollutants from the circulating air. However, the recirculation mode is not always recommended, especially in places where the outside temperature is higher.
Therefore, experts suggest that driving during off-peak hours can help reduce exposure to air pollution by 91% in the morning and 40% in the evening.
The best option is to use a car with an air conditioning system or switch to newer electric cars that do not emit exhaust gases directly into the environment.
Impact on hearing
In addition to environmental issues, the risk of hearing loss should also be considered when rolling down car windows while driving.
Cars often generate a lot of noise. Each type of engine and car model can produce different types of noise. Furthermore, transportation activities are the main source of noise pollution in cities.
Therefore, experts recommend that drivers should not roll down car windows while driving as it can lead to distraction and compromise driving safety. If it is necessary to open a window to alleviate stuffiness, it can be done during off-peak hours or while the car is stationary to limit exposure to air pollution and noise.
Source: VTC News
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