This mass is then divided by the average mass of PM2.5 inhaled from a single cigarette, yielding the "cigarette equivalent." To put this in perspective, consider a day with an AQI of 125, categorized as "Unhealthy for Sensitive Groups." For an average adult, exposure to this level of pollution over a full day could equate to passively smoking approximately 4 to 5 cigarettes
Is there a smoke detector that detects cigarette smoke
We extracted 51 observations from 11 prospective cohort studies and 4 casecontrol studies across 36 locations (Supplementary Table 3) 6,8,9,10,78,108,109,110,111,112,113,114,115,116
Cigarettes vs
In a 2014 paper detailing the outcomes of that meeting, the authors rated electronic nicotine delivery systems (e-cigarettes) as having only 4% of the maximum relative harm of cigarettes
"US Supreme Court largely backs FDA's denial of flavored vape product applications"