Puritrak - Hanoi, Vietnam

Puritrak is an innovative subscription-based service that provides indoor air quality maintenance as a service to offices, retail shops, fitness centers, and classrooms. Puritrak offers four products: (1) Indoor Air Quality Testing and Consulting; (2) Certified Indoor Air Quality Monitoring; (3) Indoor Air Quality Maintenance; (4) Airman "the air quality hero" air quality map (http://aqi.vn). Puritrak has developed a revolutionary IoT solution with monitor-controlled air cleaning equipment providing HEPA standard filtration. The air quality monitoring data is securely stored in a blockchain database so that offices, schools, fitness centers, and retail shops can guarantee their staff, students, or customers that the air they breathe is pure and within the accepted World Health Organization and US Environmental Protection Agency's AIr Quality Index air quality safety standard.