Vape detection algorithms analyze particle size, density

https://www.marketwatch.com/press-release/zeptive-releases-update-1-33-500-for-vape-detectors-adds-enhanced-detection-performance-loitering-monitoring-and-integrations-with-bosch-milestone-i-pro-and-digital-watchdog-8065749e?mod=search_headline

Vape detection algorithms examine particle size, density, and chemical signatures to distinguish electronic cigarette vapor from daily aerosols.