What can we do to improve air quality in the car

In the fog and haze days, the traffic is more crowded, people stay in the car longer than in the past.
Seemingly closed space, in fact, the degree of pollution is not worse than the outside.
Coupled with a large number of automotive interior leather and plastic use,
formaldehyde and other carcinogenic pollutants exceeded.
Use the particle counter to check the fine particulate matters in your car.
Also the Formaldehyde detector to confirm how much formaldehyde in your car too.
This way can far away from disease. and also Respiratory diseases.