Q:

How hot is the tip of a lit cigarette?

A:

The temperature of the tip of a lit cigarette when smoldering is close to 1100 degrees Fahrenheit. The temperature of the tip during a two-second puff can be more than 1600 degrees Fahrenheit. Cigarette tip temperatures are significantly higher than gasoline's autoignition threshold of 495 degrees Fahrenheit.

There have been more than 5,000 smoke constituents identified in cigarette smoke, and 150 of these have been identified as smoke toxicants. As of 2002, there were 5.5 trillion cigarettes being produced globally each year and more than 1.1 billion smokers. The number of smokers decreased by 50 percent in the United States between 1965 and 2006.


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