On Monday, Tesla Motors released the results of its tests of the Model X's air-filtering system, which demonstrated its efficacy.
Tesla placed a Model X inside a bubble filled with "extreme levels of pollution" at 1,000 µg/m3 of PM2.5, which the Environmental Protection Agency describes as the kind of pollution that "pose[s] the greatest health risks." For comparison, PM2.5 levels in Beijing can hit 300 µg/m3.
In less than two minutes, the HEPA filtration system was able to reduce the level of contamination from "extremely dangerous" to "undetectable."
Source: Tesla Motors
Tesla added that after the filtration system cleaned the air inside of the vehicle, it began to filter the air outside of the car.
In its statement, Tesla said that while the test was conducted with a Model X, the electric automaker expects similar results from the Model S currently in production.