A brand-new, unopened pack of cigarettes will originally stay fresh for aroundtwo years after production. The moment you break that air-tight seal, however, the cigarettes immediately undergo certain changes, no matter how soon or late it is after the production date. The World Health Organization vs. Cigarette Expiration Date
People also ask
Do cigarettes ever go bad?
Now, just because cigarette packaging doesn鈥檛 indicate an expiration date doesn鈥檛 mean they鈥檒l never go bad. Old cigarettes are no worse for you than brand-new ones, but exposure to oxygen and time will affect both their flavor and freshness.
How long do cigarettes last once opened?
Once opened and exposed to air, commercial cigarettes usually last about two days before going stale. There are a few different ways to tell if your cigarettes are stale. The most obvious way is to smoke one and look out for any unpleasant flavor or difficulty with airflow.
What happens if you smoke an expired cigarette?
Cigarettes don鈥檛 really expire, but they do go stale. However, a cigarette that鈥檚 exposed to air will dry out, degrade in quality, and can even develop mold and other types of fungus. Is it safe to smoke an expired cigarette?
What do the numbers on a cigarette pack mean?
Many companies use what is called a Julian Date Code. This is usually a six or seven-digit number. The first three numbers represent the actual day of the year the cigarettes were manufactured. For example, if the first three digits read 144, that means the pack was produced on May 24th, the 144th day of the year.