1 - 39.899854, 116.407421 407.3 ppm 2- 39.904234, 116.378901 405 ppm 3- 39.907865, 116. 390876 406.5 ppm 4- 39.910078, 116.400042 404 ppm
This is as of one- two years ago, the current concentration of CO2 in Beijing is around 410+ (higher than global overall)
SpaceApps is a NASA incubator innovation program.