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The Center for Disease Control identifies smoking tobacco as the worlds leading cause of preventable death, responsible for almost a half million deaths a year in the United States alone

Atlanta, GA: US Department of Health and Human Services, CDC, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health

The PurpleAir sensor provides regular updates on particulate matter levels, allowing us to create graphs showing the evolution of air quality in the room

Avoidance of tobacco products may be more difficult for people exposed to secondhand smoke, as they have less control over their exposure