presented to the Federal Interagency Committee on Indoor Air Quality 2/14/2023 Emerging Approaches to Cleaner Indoor Air During Wildfires Presented to the California Air Pollution Control Officers Association 4/21/2021 References Usage and impact of a do-it-yourself air cleaner on residential PM2.5 in a smoke-impacted community (2024) Field measurements of PM2.5 infiltration factor and portable air cleaner effectiveness during wildfire episodes in US residences (2021) Impact of wildfire smoke events on indoor air quality and evaluation of a low-cost filtration method (2021) National Collaborating Centre for Environmental Health, Do-it-yourself (DIY) air cleaners: Evidence on effectiveness and considerations for safe operations

The International Tobacco Control Policy Evaluation Project (ITC Project), a global tobacco research program based at the University of Waterloo in Canada, just published an article last week reporting that among adults who smoke in Canada, the United States, England, and Australia, 82% of them believed incorrectly that if filters were removed from cigarettes, that would make the cigarettes more harmful
On the other hand, in a comparative study of mice subjected to either lab air, e-cigarette aerosol or cigarette smoke (CS) for 3 days (6 h-exposure per day), those exposed to e-cigarette aerosols showed significant increases in interleukin (IL)-6 but normal lung parenchyma with no evidence of apoptotic activity or elevations in IL-1 or tumour necrosis factor- (TNF) [22]
Aerosols are a mix of tiny particles and/or droplets in the air