Investigation of sensory evaluation of in-cabin odor by car users

In order to deeply understand the current situation of air pollution in cars and then solve the in-cabin odor issue, investigates and analyses the in-cabin odor characteristics, possible odor emission sources, health awareness and degree of user’s concerns, from the perspective of automobile users, by means of questionnaires. Collects a total of 1 021 questionnaires, and the result indicates that the phenomenon of peculiar smell in-cabin is widespread, and air pollution in cars is quite serious; majority of the car users have a strong health awareness and pay great attention to the air quality in car cabin.