After experiencing the explosion of the Air Quality Index last month, Beijing has ushered in the first red warning on air quality in the past two days. We all look at the masks and air purifiers on the Internet. For netizens who drive by car, how can they improve the air quality in their cars? Today's talk about air purification in the car.
â– The simplest: no air conditioning filter
How to use: close the window, open the inner loop, or add the filter
Many 100,000 cars, although air-conditioned, are limited in cost and have no air-conditioning filters (even if they do not have the ability to filter PM2.5). For this type of vehicle, the user can only close the window and switch the air-conditioning to the internal circulation mode. Even if the fan is not turned on, external pollutants will not enter the vehicle and more pollution will be avoided.
â– Pollen filter: ordinary air filter
How to use: regular replacement, but the effect on PM2.5 is not obvious
Air-conditioning systems in most models are equipped with ordinary air-conditioning filters that can filter pollen and other substances that have an impact on human health, and they also need to be replaced on a regular basis. Of course, due to the large gaps, they are less likely to filter out PM2.5 - some high-end models only have this feature, and the price of consumables (filter cartridges) is also considerable, as we will mention later.
â– Air Quality Control AQS: Automatically Switch Internal Loop
Measures: You can add your own purifier / negative ion generator
For higher-priced models, the vehicle air conditioner has an air quality control system (AQS). When the vehicle air conditioning system feels that the external pollutants are heavy, the air conditioner is automatically switched to the internal circulation; in addition, some high-end models, the vehicle will be based on GPS navigation The information automatically switches the air-conditioner to the internal circulation when the vehicle passes through a tunnel and other contaminants, avoiding contaminants from entering the vehicle.
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