People spend 90% of their time indoors. Indoors air is 5 to 100 times worse than outdoor air quality and results in productivity loss, fatigue, headaches as well as respiratory and heart disease. Poor air quality causes >3M deaths annually (more than HIV & malaria), costs governments >$5T annually in lost workdays and welfare costs. Furthermore, following the COVID-19 pandemic there is significant regulatory push driving the air quality market and the need for maintaining high air quality in living and working spaces.