DRAPER, Utah–(BUSINESS WIRE)–PurpleAir, the highly accurate, low cost air quality sensor network, today announced it has surpassed 30,000 citizen scientists whose sensors power the PurpleAir Map. Publically available to all, PurpleAir’s affordable sensors crowdsource air quality data worldwide, providing real-time, hyper-local and accurate readings of the air people are breathing – simply based on their address. In this era of climate change and frequent forest fires, PurpleAir’s network is s