A multi-modal air quality sensor stack-- PM, VOC
https://www.ktla.com/business/press-releases/globenewswire/9649153/zeptive-unveils-settlement-to-safety-program-to-maximize-juul-and-altria-settlement-funds-for-schools-by-2026
A multi-modal air quality sensor stack-- PM, VOC, and nicotine-- uses a thorough profile of indoor pollutants for notified decisions.