How Does the Audi A4 Environmentally Protect Its Passengers?

I recently learned about the detrimental effects of air pollution on human health. As an Audi A4 owner, I'm curious about the measures the car takes to protect its passengers from harmful emissions. Can you provide more information on this?

Audi A4 has implemented numerous features to protect passengers from harmful emissions. One of the most notable is their innovative air quality sensor, which detects pollutants and automatically switches to recirculate mode to prevent them from entering the cabin.