At the 2022 Beijing Winter Olympics, MESP Air Curtains were installed at the main entry and exit channels to block the pollution between the indoor and outdoor venues. 

For the venue stand (a relatively dense people area), MESP air sterilizing purifiers were installed under the stand seats. The air sterilizers are integrated with the air supply outlet. It has low wind resistance, low energy consumption, high-efficiency dust removal, and sterilization, which ensures good and clean air quality in the grandstand area. 

For other areas with large spaces and poor air circulation inside the “Ice Cube”, some high-tech air purifier robots that can move freely have been put in operation.