If action is taken, this blog post has described the characteristics of the 10.7 million smokers it will affect.

The Impact of Torontos Climate on Smoke Odor Persistence Torontos seasonal climate variations significantly affect how smoke odors behave in buildings: During humid summer months (June through August), higher moisture levels can reactivate dormant smoke odors, making them more noticeable In winter, when homes are sealed against the cold and heating systems run constantly, reduced ventilation and dry air can cause different smoke compounds to release from surfaces Spring and fall temperature fluctuations can cause building materials to expand and contract, potentially releasing trapped odors This cycle of seasonal changes means that a smoke odor problem that seems manageable at certain times of the year may become overwhelming during othersa particular concern for Toronto property owners who may think a problem is resolved only to have it return with changing weather conditions
Last year more than 27,600 cigarette butts were collected in and around Lake Tahoe by the League
Blocking the activation of these pathways inhibits senescence and the release of SASP factors [6, 15]
Tob Use Insights
Regular maintenance, such as cleaning and changing batteries, is essential to avoid false alarms