Quit smoking timeline
Quit smoking timeline: what happens after your last cigarette
Your body starts recovering within minutes of your last cigarette and keeps going for years. Below is the full timeline, from 20 minutes to 20 years, taken from WHO, NHS, National Cancer Institute and American Cancer Society guidance. Enter your quit date to see where you are right now.
Updated October 2026.
Quitting right now? Blou for iPhone shows your own recovery, day by day.Where are you on the timeline?
The first month: withdrawal and early recovery
20 minutes
Heart rate and blood pressure drop
Within about 20 minutes of your last cigarette, your heart rate and blood pressure start to come down. Source
1–2 hours
The first cravings can start
Cravings can begin within an hour or two of your last cigarette. Each one passes, even when it doesn't feel that way. Source
12 hours
Carbon monoxide falls to normal
The carbon monoxide level in your blood drops to normal, so your blood can carry more oxygen again. Source
1 day
Nicotine is leaving your blood
Between 24 hours and a few days after quitting, nicotine levels in your blood drop to zero. Source
1 day without smoking: full guide2 days
Withdrawal builds toward its peak
Withdrawal is usually worst in the first week and peaks during the first 3 days. Irritability, restlessness and strong cravings are common now. Source
2 days without smoking: full guide3 days
The usual peak of withdrawal
For most people, day 3 is the hardest stretch. Symptoms typically start to ease once you are past it. Source
3 days without smoking: full guide5 days
The worst is usually behind you
The worst withdrawal symptoms last a few days to a couple of weeks. Cravings still come in waves, but they get shorter. Source
5 days without smoking: full guide1 week
The hardest week is done
Withdrawal is usually worst during the first week after quitting. From here, intensity typically keeps dropping. Source
1 week without smoking: full guide2 weeks
Circulation and lung function start improving
Between 2 and 12 weeks after quitting, your circulation improves and your lung function increases. Source
2 weeks without smoking: full guide3 weeks
Cravings get less frequent
Cravings tend to come less often as the weeks pass. Occasional mild cravings can still show up for months. Source
3 weeks without smoking: full guide1 month
Withdrawal has mostly faded
The intensity of withdrawal typically drops over the first month, although some people have symptoms for several months. Source
1 month without smoking: full guide
Months and years: long-term recovery
6 weeks
Mental health benefits can begin
It can take as little as 6 weeks to start feeling the mental health benefits of quitting, such as less anxiety and stress. Source
2 months
Breathing keeps getting easier
You are inside the 2–12 week window in which circulation improves and lung function increases. Source
2 months without smoking: full guide3 months
Less coughing and breathlessness
Between 1 and 9 months after quitting, coughing and shortness of breath decrease. Source
3 months without smoking: full guide6 months
Lungs continue to clear
Coughing and shortness of breath keep decreasing, a change that can continue up to 12 months after quitting. Source
6 months without smoking: full guide1 year
Heart disease risk about halves
After 1 year, your risk of coronary heart disease is about half that of someone who still smokes. Source
1 year without smoking: full guide5 years
Stroke and mouth-cancer risk fall
Between 5 and 15 years after quitting, stroke risk falls to that of a non-smoker. Between 5 and 10 years, the risk of mouth, throat and voice-box cancers is cut in half. Source
5 years without smoking: full guide10 years
Lung cancer risk about halves
After 10 years, your risk of lung cancer falls to about half that of someone who still smokes. Source
10 years without smoking: full guide15 years
Heart disease risk like a non-smoker's
After 15 years, your risk of coronary heart disease is that of a non-smoker. Source
20 years
Several cancer risks near a non-smoker's
After 20 years, the risk of several cancers, including mouth, throat, voice box and pancreas, drops close to that of someone who does not smoke. Source
Day-by-day guides
Each guide covers what your body is doing at that point, the symptoms people notice, and what helps.
- 1 day without smoking
- 2 days without smoking
- 3 days without smoking
- 5 days without smoking
- 1 week without smoking
- 2 weeks without smoking
- 3 weeks without smoking
- 1 month without smoking
- 2 months without smoking
- 3 months without smoking
- 6 months without smoking
- 1 year without smoking
- 5 years without smoking
- 10 years without smoking
Frequently asked questions
What is the quit smoking timeline?
It is the order in which your body recovers after the last cigarette. Heart rate and blood pressure drop within about 20 minutes, carbon monoxide falls to normal within about 12 hours, withdrawal peaks during the first 3 days, and over months and years your risks of heart disease, stroke, and several cancers fall.
What happens day by day when you quit smoking?
Cravings can start within an hour or two. Nicotine leaves your blood within a few days. Withdrawal is usually worst in the first week and peaks in the first 3 days, then eases. Each day has its own guide, from what happens after 1 day to what happens after 1 month.
How long does nicotine withdrawal last?
For most people the worst symptoms last a few days to a couple of weeks, and intensity drops over the first month. Some people have milder symptoms for several months, and occasional cravings can show up much later.
When do the benefits of quitting smoking start?
Straight away. Your heart rate drops within minutes, and within days many people notice better taste and smell, easier breathing, and more energy. Bigger risk reductions build over 1, 5, 10, and 15 years.
Is the timeline the same for everyone?
No. These are typical time points from public-health sources, not guarantees. How much you smoked, for how long, your age, and your health all change how fast you recover. Talk to a clinician about your own situation.
Does the timeline restart if I smoke one cigarette?
Not all of it. A single slip doesn't undo the recovery your body has made, but it can restart cravings. See i smoked one cigarette for what to do in the next hour.
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Sources
- WHO: Health benefits of smoking cessation
- American Cancer Society: Benefits of quitting smoking over time
- National Cancer Institute: Handling nicotine withdrawal and triggers
- Smokefree.gov: Understanding withdrawal
- NHS Better Health: Benefits of quitting smoking
This timeline is educational and does not replace medical advice. Time points are typical ranges from the sources above; your own recovery may differ.