Is Car Air Conditioning Harmful to Human Health?
1 Answers
Car air conditioning itself is not harmful to human health. However, the interior of a car is essentially a closed space with poor air circulation. Additionally, various rubber and plastic interior components gradually release harmful substances when exposed to high temperatures during summer. Prolonged use of air conditioning in the car, combined with the infiltration of exhaust fumes from fuel combustion, further degrades the air quality inside the vehicle. Inhaling these harmful substances can lead to symptoms such as dizziness, blurred vision, chest tightness, and nausea. In severe cases, it may affect driving safety and passenger health. Here are some tips for using car air conditioning effectively: 1. Ventilate before turning it on: After the car has been parked in the sun for an extended period, open all four doors and the sunroof to allow air to circulate for 3 minutes. This helps quickly lower the interior temperature, making the air conditioning more effective when turned on. 2. Use the recirculation mode wisely: The recirculation mode blocks hot outside air, creating a sealed space inside the car where air circulates rapidly under the air conditioning to cool down quickly. Once the interior temperature has dropped, it is recommended to switch to the fresh air mode every 30 minutes to purify the air inside the car. After 5 minutes, switch back to recirculation mode. 3. Turn off the air conditioning in advance: Shut off the air conditioning 5 minutes before parking. This protects the engine and saves fuel.
